Product information:

Transmission range：10 m
Function:Power display, call function, voice control, support for music, multi-point connection
Bluetooth protocol:5.0
Sound channel:stereo
Mode of use:Earplug type
Whether one ear or two ears:Bilateral stereo
Chip type:China Blue News
Endurance time:4 (hours)

Packing list:

1*Wireless Bluetooth headset

1*Charging cable