2015 Original Fineblue F920 wireless Bluetooth clip Headset Stereo CSR4.0 HD1080P HIFIMusic Telescopic Headphone Earphone Noise Cancelling

Bluetooth parameter:

Bluetooth version: V4.0+EDR compatible

Bluetooth chip: CSR

Wireless frequency: 2.4GHz-2.48GHz

Transmission power: Class 2

Working voltage: 3.6V

Working current: less than 25mA

Transmission distance: 10M

Charging time: 1H-2H

Talk time: about 4H

Standby time: about 150H"

Earphone function:

1 for two bluetooth devices

2 calls vibration

3 caller number

4 listen to music