1. Bluetooth version: V5.1
2. Wireless distance: about 10-15m
3. Battery capacity: headset 30mAh, charging bin 200mAh
4. Charging port: USB
5. Support protocol: HFP/A2DP/HSP/AVRCP
6. Voltage: 3.7V

Features:
1. With dazzling color breathing light
2. ACC decoding, support Dolby sound
3. Bluetooth matching success, open the lid automatically connected to Bluetooth
4. V5.1 chip, more stable transmission, easier to connect
5. IPX4 level waterproof, durable
6. Using touch design, more convenient operation
7. Compact body, comfortable to wear, stable and not easy to fall
8. Headset can be used alone, single/binaural mode