The Xiaomi Smart Ceiling Light D30 supports the Wi-Fi IEEE 802.11b/g/n 2.4GHz and Bluetooth 4.2.
Here are the advantages of 2.4GHz Wi-Fi and Bluetooth 4.2:
1. 2.4GHz Wi-Fi travels faster than 5GHz due to better wall penetration and is ideal for covering larger areas, such as homes, offices, or outdoor spaces;
2. 2.4GHz Wi-Fi consumes less power;
3. Bluetooth 4.2 provides stronger encryption and improved privacy for secure connections;
4. Bluetooth 4.2 supports data rates up to 2.1Mbps, which is faster than Bluetooth 4.1.