1. Bluetooth version: V5.2
2. Transmission distance: about 10 meters
3. Support protocol: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3
4. Battery capacity: 300mAh
5. Charging time: about 1h
6. Charging interface: Type-C
7. Waterproof rating: IPX5
8. Weight: about 14g

Features:
1. LED power display, clear power usage at any time
2. Nano-coated waterproof construction, IPX5 level waterproof
3. Type-C charging interface, convenient and fast
4. Can be connected to two Bluetooth devices at the same time, switch at any time
5. Rotatable headphones, no ear injury, comfortable to wear
6. Key operation, convenient and quick