1. Bluetooth solution: Zhongke Blue Telecom
2. Speaker: 8cm copper ring speaker
3. Battery capacity: 50mAh
4. Working time: about 5H
5. Charging time: about 1H
6. Charging interface: USB
7. Effective distance: about 10-15m without obstacles
8. Packing list: headphones, charging cable, manual, ear caps
9. Weight: about 4g

Features:
1. In accordance with the shape of the human ear, disperse the ear force points, so that the ear force is uniform and stable and not easy to fall off (right ear to wear)
2. HD voice calls, intelligent noise reduction
3. Moving coil unit, with large composite diaphragm, bringing HiFi sound quality
4. Intelligent button operation, answer/hang up calls, switch/pause songs and other functions
5. Voice alert function, real-time reporting headset status, caller ID, power on, power off, low battery link success, disconnect and other status
6. Can be connected to two cell phones at the same time, automatic pairing of power on, memory connection
7. Connected state, short press 2s headset can wake up the voice assistant, convenient intelligent control of cell phones
8. Mobile phone display headset remaining power