YYK-525 Single Rotatable Earhook Noise Cancelling Wireless Bluetooth Earphone with Charging Box & Digital Display, YYK-525 with Charging Box AEC and also better protect your

and also better protect your hearing

SP09 Status Light(ready-to-pair

Braided steel wire

Qty per Carton 240

Environmental protection waterproof ABS color process IPX6 waterproof

YYK-525 Single Rotatable Earhook Noise Cancelling Wireless Bluetooth Earphone with Charging Box & Digital Display, YYK-525 with Charging Box AEC and also better protect your1. Bluetooth version: V5. 0+EDR 2. Wireless frequency: 2. 4GHZ 3. Support protocol: A2DP1. 3 HFP1. 6 HSP1. 2 AVRCP1. 6 D11. 3 4. Transmission distance: 10m 5. Headphone battery capacity: 50mAh 6. Headphone charging voltage current: 5V 1A 7. Play talk time: about 4 hours 8. Charging time: about 1 hour 9. Standby time: 120 hours 10. Speaker impedance: 8mm diameter, 32 ohms 11. Microphone sensitivity: 42dB 12. Working temperature: 10 50 degrees Celsius