Sports Bluetooth headset stereo in-ear Bluetooth 4.1

Function Description:
1. Play music and switch music
2. Call voice number function
3. Operate the voice prompt function
4. Support car navigation, voice and other software

Color: blue black and red
Functions: Power display, call function
Line length: 65 cm
Channel: Stereo sound
Bluetooth protocol :4.1
Usage: Earplug type
Single and binaural: two sided stereo
Battery: 3.7V 55MAH
Impedance: 32MW
Charging power: 5V/80mAh
Response frequency: 20-20KHZ
Transmission distance: barrier-free 10m
Sensitivity: 105±5dB

Product size: 2.5*1*1cm
Packing size: 11.4*7.9*2.8cm
Net weight: 44g
Gross weight: 60g