Redmi Buds 4 pro FAQ

1.Q:What are the characteristics of Redmi Buds 4 pro?
A: It has the following characteristics：
1. Up to 43dB active noise cancellation：The earbuds can reduce noise by up to 43dB, blocking up to 99.3% of external noise*, allowing you to enjoy your music in peace and quiet.；
2. Dual device smart connectivity：The earbuds can connect to two Android, iOS or Windows devices at the same time, allowing you to use the same headset when you're in the office.
3. 10mm aluminium alloy diaphragm and a 6mm titanium diaphragm：the two drivers combine to deliver crystal-clear treble and rich bass in a wide range of genres.
4. AI adaptive ANC:Intelligently switches between 3 ANC levels
5. Dual transparency mode：In regular transparency mode, you can hear your surroundings without having to remove the earbuds. You can also switch to enhance voice mode when you need to talk to someone face to face.
6. Quick charge：Listen to up to 9 hours of music on a single charge, or up to 36 hours when used with the charging case.
7. Up to 36 hours single charge: Listen to up to 9 hours of music on a single charge, or up to 36 hours when used with the charging case.

2.Q: What is the Bluetooth version of Redmi Buds 4 pro?
A: 5.3
The Bluetooth SIG officially released the Bluetooth 5.3 specification on July 13, 2021. Compared with Bluetooth 5.2, Bluetooth 5.3 has lower latency and stronger anti-interference.

3.Q:How long is Redmi Buds 4 pro battery life?
A：Up to 9 hours one single charge.
Battery life and fast charging test conditions: Connect to Xiaomi 12 Pro, the earbuds' battery level is 100%, volume of the earbuds is adjusted to 50%, the Bluetooth encoding mode is AAC, and the ANC feature, transparency mode, Immersive sound and Dual-device connection are turned off through the Xiaomi Earbuds app. Test item: Fully discharge the Redmi Buds 4 Pro battery while playing audio until either earbud stops playing. Ensure that the charging port is free of liquid and foreign objects before charging. Earbud charging and battery life data was retrieved from internal test carried out by the manufacturer. Actual hours of use may vary depending on usage condition, charging level and environmental factors.

4.Q: What is the difference between Redmi Buds 4 and Redmi Buds 4 Pro?
A: The main differences are as follows.
1. The noise cancellation depth is different. The Redmi Buds 4 is 35dB, while the Redmi Buds 4 Pro is 43dB.
2. The dynamic driver units are different. Redmi Buds 4 uses 10mm dynamic driver, while Redmi Buds 4 Pro is Dual Dynamic Drivers.
3.Redmi Buds 4 Pro supports Hi-Res Audio Wireless, Redmi Buds 4 does not.
4. Different battery life. The ReamiBuds4Pro has 36 hours of battery life and the Redmi Buds4 has 30 hours of battery life.
5. The Bluetooth version is different. Redmi Buds 4 Pro is Bluetooth 5.3 and Redmi Buds 4 is Bluetooth 5.2.
6. Different number of microphones. The Redmi Buds 4 Pro has 3 microphones while the Redmi Buds 4 has 2 microphones.
7. The function keys of the charging case are in different positions. The Redmi Buds 4Pro is on the bottom, while the Redmi Buds 4 is on the back.
Note: Both can be noise Cancellation and dual Transparency mode. Both support MIUI pop-up.

FAQ
1. Q：How to wear Redmi Buds 4 Pro？
A：Redmi Buds 4 Pro features an innovative and sleek design with curved edges. It is also ergonomically designed to reduce pressure in the ear canal, and weighes just around 5.0 grams to ensure a comfortable fit.
First, select and assemble an ear cap of appropriate size. Hold the ear handle in your hand and gently insert it into the ear canal with the lettered side facing up. It is advisable to gently swing the head without shaking the earphone.
Note 1: The headset has left and right sound channels. As shown in the following figure, there are "L" and "R", which represent the left and right sound channels respectively. Wear them correctly.

2. Q：Q: How to charge Redmi Buds 4 pro? Does it support wireless charging?
A: Earphone charging: Put the earphone into the charging case, and the earphone will automatically enter the charging state.
Charging case: Use a Type-C charging cable. When charging, the white indicator is steady on, and when charging, the white indicator is off.
Wireless charging is not supported.

3. Q: How to distinguish the charging status of Redmi Buds 4 Pro? How do I check the battery charge?
A: The charging case has only one LED light, which is located on the front of the charging case. When charging, the white indicator light is on, and when charging, the white indicator light is off.
How to check the remaining power:
1. Check the headphone battery
After the headset is connected to the mobile phone, you can check the battery power of the headset in the status bar of the mobile phone.
Note: The status bar of the phone only shows the lower charge of the two headphones. Some mobile phones do not support the headphone battery check.
2. Check the charge amount of the charging case: press the function button or open the charging case cover. See the following information.
(1) If the white indicator light of the charging box is on for about 5 seconds, it indicates that the charge is sufficient.

② If the white indicator of the charging box blinks, it indicates that the power is low and needs to be charged in time.
3. Use Xiaomi phone to quickly check battery charge
After successfully connecting the mobile phone, put the headset into the charging case, close the cover and approach the unlocked Xiaomi mobile phone with Bluetooth function enabled, open the charging case cover, the phone will pop up a dialog box, you can check the battery power of the headset and charging case.
Note: To use the quick battery check function, you need to update the phone system to the latest stable version. Currently, only some Xiaomi phones support it.
Note: Open the charging case and the headset will start automatically. When the headset is put back in the charging case and the cover is closed, the headset will be disconnected automatically and enter the sleep state.

4. Q: How do Redmi Buds 4 Pro connect to mobile phones and other devices?
A: The connection procedure is as follows.
1. Connect the new device
① Put the headset into the charging case, and long press the function button for about 2 seconds. The white indicator of the charging case blinks, and the headset waits for connection.
② Enable Bluetooth, search and connect Redmi Buds 4 Pro. For a connection password, enter 0000.
2. Put the headset into the charging case with quick connection of Xiaomi mobile phone, close the cover and approach the unlocked Xiaomi mobile phone with Bluetooth function enabled, open the charging case cover, and connect the headset according to the instructions on the interface of the mobile phone.
Note: To use the fast connection function, you need to update the mobile phone system to the latest stable version. Only some Xiaomi phones currently support the feature.
3. Dual device smart connectivity
The headset can be connected to two Bluetooth devices at the same time. After connecting the first device, when connecting the second device again, you need to put the headset into the charging case. Long press the function button of the charging case for about 2 seconds.
Note 1: if you have any other nearby and headset connection device, found in mobile phone pop-up headphones before the popup window, headphones may be back to near the equipment, the mobile terminal can play window suggest this is not your headset, after click the connect button will be prompted to long press 2 s charging box buttons, automatic matching connection after the operation button; If you click the cancel button, the box will disappear to give up this pairing;
Note 2: Use beautiful MIUI pop-up fast connection, need to update the beautiful MIUI phone system the latest version (this feature is not all millet mobile phone support, parts of the model system update to beautiful MIUI latest version also does not support this function, as the mobile phone system updates, support phone models will gradually increase, whether to support the actual situation shall prevail).

5. Q: How to clear the matching record of Redmi Buds 4 Pro and the device and reset the earphone?

A: Delete Bluetooth records on mobile phone: phone -> Settings -> Bluetooth ->Redmi Buds 4 Pro-> Click -> cancel pairing (take Xiaomi phone as an example);
Reset method: Put the left and right earphones into the charging box, long press the function button for more than 10 seconds, the white indicator light will stay on, and release the button.
The reset process will clear the left and right headphones and the connection between the headset and the device. After the reset, the headset will automatically turn on and complete the ear connection, and enter the pairing mode again.
Note: Due to the connection characteristics of Bluetooth signal, there may be intermittent disconnection or silence occasionally in places with dense interference of 2.4GHz electromagnetic signal.
 

6.Q:How about the Noise Cancellation and Transparency Mode of Redmi Buds 4 Pro?

A: When this earphone is worn on both ears, long press either earbud will switch "noise reduction on" and "transparent mode" circularly.
1. The Noise Cancellation mode has three types:Light noise cancellation,Deep noise cancellation, Balanced noise cancellation.
2.There are two transparency modes.① Regular transparency mode：Amplify all external sounds and transmit them clearly to the ear. This mode is default.

② Enhance voice：Amplify all external sounds and enhance the human voice, clearly transmitted to the ear.

 

7.Q: Does Redmi Buds 4 Pro support Find your earphones?

A：You can find your earphones via sound on Xiaomi Earbuds app. The earbuds do not support this function when placed in the charging case. According to Xiaomi internal lab data, when searching for your earbuds through via sound within a close range, the distance between the phone and the earbuds should be within 10 meters in a quiet, accessible environment. The earbuds and phone should be connected via Bluetooth. Actual distances may vary depending on environmental conditions.

8.Q：Can Redmi Buds 4 pro be used as two single earphones by connecting the left and right earphones with one mobile phone and other devices?
A: No.

9.Q: Will Redmi Buds 4 Pro automatically shut down if not connected for a long time?
A: The earphones don't shut down automatically outside the case. When the Bluetooth is turned off or the headset is out of the connection range, the headset automatically enters the waiting state; If the headset is not connected to any device within 10 minutes, the headset will enter the sleep state, and the headset will be woken up by putting it back on, and enter the waiting state.
Note: The headset will be charged automatically when put into the box. After being fully charged, the headset and charging case will go into the off state.

10.Q: Will Redmi Buds 4 pro play the contact name when the phone calls?
A: Redmi Buds 4 pro will only ring when A call comes in. It does not support playing contact name or phone number.

11.Q: Two Redmi Buds 4 pro, lost/damaged left earphone and right earphone respectively, can the remaining right earphone and left earphone be recombined for use?
A: No.

12.Q: Do Redmi Buds 4 pro adopt dual-device Connection?
A: yes.

13.Q: Why did the music not play automatically when Redmi Buds 4 pro was removed and then worn?
A: If the music is playing before you remove the earphone, the music will be automatically paused for 2 minutes before you wear it. If the music is longer than 2 minutes, the music will not continue. Please continue to play on the earphone or mobile phone. If you pause the music manually before removing the headphones, the music will not play automatically when you wear it again.
Some apps have compatibility issues and do not support autoplay.

14.Q：Does Redmi Buds 4 Pro support MIUI Pop-up function?A：
Only Xiaomi, Redmi devices with the latest MIUI versions support MIUI Pop-up for Quick Pairing.
Compatible models: POCO F4 GT、Xiaomi 12 Pro、Xiaomi 12、Redmi Note 11 Pro、Redmi Note 11S、Redmi Note 11、Redmi Note 11 Pro 5G.

15.Q: Redmi Buds 4 Pro has several microphones. How do they work?
A: The headset has three microphones (single side), which are respectively Feed-forward mic, Feedback mic, Talk mic. Each of the three microphones has its own function and extracts voice sounds with precision to effectively filter out external noise. Call quality is further enhanced by means of a neural network noise reduction algorithm.

16.Q: Why does the earphone sound "ding dong" during use?
A: The reason for this situation may be that the headset is connected to two mobile devices.
(1) When the headset is connected to two mobile phones at the same time, the headset will play a "ding dong" announcement when one mobile phone is playing music or conversation while the other mobile phone is playing message or audio.
(2) When the headset is connected back to the headset, the headset will be connected to the two devices recently connected. When the headset plays the Ding Dong tone, check whether there are records of other devices that have been connected.

17.Q: When two devices A and B are connected, device A and device B play music at the same time. Why does the music interface of device A still play music of device B without pausing?
A: This shows that device B successfully rushed to play, but device A did not correctly handle the pause instruction sent by the headset. This is not A problem of the headset, but A problem of device A. You can manually pause the player of device A. (This phenomenon is an occasional problem).

18.Q: When two devices A and B are connected, device A and device B play music at the same time. Why can't the headset hear the sound of the device being played?
A: This indicates that device B is playing, but sending silent data to the headset, resulting in no sound in the headset. This is an abnormal behavior of the device and cannot be processed by the headset.
Solution: Close the current silent App, and then play again; Or use another app to play the audio and see if it works.

19.Q: When two devices A and B are connected, why is the music on device A interrupted?
A: This is because device B emits A prompt tone, which causes the prompt tone of device B to interrupt the music played by device A. This is the normal practice of dual-device prompt play mechanism.
Solution: Close the prompt tone on device B.

20.Q: You can see the sound through holes for two microphones on the earphone. Why can't you see the third microphone?
A: For Redmi Buds 4 Pro, the third microphone is the Feedback MIC, which is located inside the sound outlet and is used to pick up noise in the ear canal. There is no separate sound hole designed on the appearance.

21.Q: After opening the box, it is found that there are traces of water vapor under the membrane on the surface of the packaging box. Will it have any effect on the earphones?
A: because the headset design of packaging design using the blow convex and UV paint highlights spraying process design to improve packaging design, but because of the uncertainty of the environment in the process of transportation, packaging laminate film with gift box of the UV paint specular surface will produce the effect of the similar glass stickers, but this part of the water vapor completely will not affect the machine performance, please be assured that use.

22.Q: Why is the actual battery life of the headset shorter than advertised?
A: The battery life is strongly related to the usage habits. The battery life data in the propaganda all correspond to specific scenes (such as noise reduction on/off, music format, etc.). According to the Xiaomi experimental rate test, it is normal that there will be some difference due to signal interference and electromagnetic machine in the actual environment.
Note 1: "The headset lasts 3 hours for a single call", which refers to the following conditions: in the environment of MI Lab, the phone volume is 50%, noise reduction is off, dual devices are off, wear detection is off, and voice hot words are off.

23.Q：How do I enable Redmi Buds 4 Pro Noise Cancellation function?
A：Download the Xiaomi Earbuds App to adjust the noise cancellation and touch control settings for your Redmi Buds 4 Pro wireless earbuds. You're in control — adjust settings for optimal audio and install online firmware upgrades.

24.Q：Only wear a single Redmi Buds 4 Pro. Can it be switched into a Noise Cancellation?
A: The Redmi Buds 4 Pro does not support switching noise reduction when wearing A single earphone. The switching of noise reduction function can only be used when both ears are fully worn.

25.Q：Does Redmi Buds 4 Pro support Wind Noise Reduction?
A: Yes. Each earbud features a built-in metal wind shield to effectively reduce wind noise, as well as a proprietary wind noise reduction algorithm that automatically switches on when the wind reaches a certain speed so that you can enjoy your outdoor activities without being disturbed.
Due to the difference in wind blowing Angle, the wind speed value that triggers the wind noise reduction algorithm is slightly different, and the set value is between 2.5m/s and 2.7m/s.

 

26.Q: What is the Dust and Water-resistant grade of Redmi Buds 4?

A:IP54 dust and water-resistant
IP54 dust and water-resistant test. According to the GB/T 4208-2017. Enclosure Protection Rating (IP Code), it passed the test conducted by Suzhou Institute of Product Quality Supervision and Inspection. The test report no. is WPHE220067. The test result showed that it is in compliance with the GB/T 4208-2017 standard. IP54 rating applies to the earbuds themselves, not the earbud charging case. Please do not use your earbuds around hot water, your earbuds cannot be used when bathing or showering. Please try to avoid using your earbuds during strenuous exercise, sweat during exercise may cause damage to the device. This product is splash-proof, water-resistant and dust-resistant at the time of purchase, however, these properties are not permanent and may diminish over time with everyday wear and tear. Your warranty does not cover damage caused to your device by immersion in liquid.
 

27.Q: Which App do Redmi Buds 4 connect with?

A: Xiaomi Earbuds app is available for download on Google Play store. Xiaomi Earbuds app is not available for iOS devices. Download the Xiaomi Earbuds App to adjust the noise cancellation and touch control settings for your Redmi Buds 4 Pro wireless earbuds. You're in control — adjust settings for optimal audio and install online firmware upgrades.


Troubleshooting
1.Q: Redmi Buds 4 pro Noise Cancellation effect is bad?
A: Please refer to the following.
① First of all, it is necessary to select the appropriate earplug according to the ear shape. The actual noise cancellation effect is different due to the ear size, selected ear case, ear canal structure, wearing position, movement, etc.
2. The active Noise Cancellation function of earphones can work properly only if the earphones are worn. Please enable the active Noise Cancellation function after the left and right earphones are worn. In addition, you can switch down operation mode according to different scenarios (such as light mode, balance mode, deep mode).

2.Q：Why does Redmi Buds 4 Pro earphone case take a long time to charge from 99% to 100%?
A: The charging time of Redmi Buds 4 Pro earphone case (including earphone) is about 3 hours. Lithium battery is charged with small current in the last stage, so this part takes A relatively long time. This case is not abnormal quality of earphone, please feel free to use it. If the charge reaches 99%, please extend the charging time and wait for 100%.

See True Wireless Earphones Troubleshootings and FAQ for other Troubleshootings