1. Bluetooth version: digital display 5.3
2. Transmission distance: about 10m (no obstacles)
3. Bluetooth chip: Jelly 69853
4. Bluetooth protocol: HFP, HSP, A2DP, AVRCP
5. Battery capacity: headset 40mAh, charging bin 300mAh
6. Charging port: Type-C/USB-C
7. Speaker resistance: 16 ohms/8mm
8. Speaker output power: up to 5mW
9. Headphone sensitivity: 106dB
10. Frequency range: 50HZ-20KHZ
11. Charging time: about 2h
12. Use time: about 6h
13. Standby time: about 300h

Features:
1. Hanging ear to wear, comfortable and non-sensory, not easy to fall
2. Closed cavity design, equipped with 8mm copper ring speaker, to provide shocking bass
3. Dual host, left and right ears can be used independently, dual-channel synchronous transmission, stable and fast
4. Compact structure design, daily anti-sweat
5. High-polished non-slip large keys, easy to operate
6. Long press multi-function key can wake up the voice assistant
7. Intelligent compatibility, with Bluetooth can be connected