How to connect the Xiaomi OpenWear Stereo to mobile phones and other devices?

If there is no pairing record, the connection steps for first-time use are as follows:
1. Put the earphones into the charging case and close the lid. Open the lid of the charging case. The white charging case light flashes for 1 minute. During this period, the earphones are waiting to be connected;
2. Turn on the Bluetooth of your device, search and connect to "Xiaomi OpenWear Stereo";
3. During the pairing process, the white light will blink slowly. After successful pairing, the white light will be on for 5 seconds and then go off.
Note:  
1. If no device is paired within 1 minute, the light will go off;
2. When you connect the earphones to the devices according to the correct steps, disconnection or delay will occur in the following situations:
(1). If multiple routers or Bluetooth devices are used at the same time around the earphones, there will be different degrees of interference, stuttering, intermittence, and disconnections;
(2). The earphones have an unobstructed and effective connection distance of 10 meters from the phone, beyond which the connection is disconnected.