1. Bluetooth version: 5.0
2. Support protocol: A2DP V1.3 AVRCP v1.5 HPF v1.6 HSP v1.2
3. Noise reduction function: CVC6.0
4. Working frequency: 20Hz-20kHz
5. Battery: 200mAh Lithium Battery
6. Music playing time: 4-5 hours.
7. Talk time: 5-7 hours.
8. Standby time: 120 hours.
9. Charging time: 1.5 hours.
10. Charging port: magnetic
11. Wireless transmission distance: 10-15 meters (open place)
12. IPX8 waterproof rating safe and reliable use