1. Bluetooth version: 5.2
2. Transmission distance: about 10-15m without obstacles
3. Battery capacity: 90mAh
4. Charging time: about 1H
5. Use time: about 12H
6. Charging interface: Type-C/USB-C
7. Speaker: 14mm composite membrane speaker
8. Weight: about 21g

Features:
1. Graphene diaphragm, high-fidelity copper ring speaker, stereo panoramic sound
2. Bluetooth 5.2, stable connection, anti-interference, faster and more stable, low latency
3. Lightweight body, long wear not tired, no sense of weight
4. HD call, low power consumption
5. Automatic connection back to the power on, memory pairing
6. Do not distinguish between the main and secondary headphones, binaural direct connection, left and right headphones arbitrary use
7. Bluetooth 5.2 dual-mode master-slave switching technology, both sides are the main headset, single binaural mode seamlessly switch
8. Hanging ear type more closely fit the ear, wear more comfortable and more solid
9. With transparent earphone storage box