Come and see our amazing products. 1. Bluetooth version: Low-power Bluetooth 5.0
2. The speaker specification 10 mm
3. Frequency response 20-20khz
4. Power consumption: 8mA
5. Transmission distance (barrier-free) : 10m
6. Signal-to-noise ratio: 95dB
7. Distortion: 1%
8. Battery specification: 3.7V/80mAh belt protection plate
9. Charging time: 1-2 hours (battery storage)
10. Broadcast time: 4-8 hours
Standby time: 80 hours
12. Microphone sensitivity: 40dB
Support A2DP AVCTP AVDTP AVRCP EDR ACC Pls confirm further with us if any query about packing info, inventory status and time schedule.