Product information:

Transmission range: 15 meters
Function: battery display, call function, voice control, support music, multi-point connection
Bluetooth protocol: 5.1
Channel: stereo
How to use: earplug style
Single or dual ear: bilateral stereo
Color: X3 black [breathing light + LED digital display large screen + HIFi sound quality], X3 white [breathing light + LED digital display large screen + HIFi sound quality], F9 smiling face touch
Mold type: private mold
Chip type: Jerry
Life time: 120 (hours)
Charging method: type-c

Packing list:

Headphone*1 type-c cable*1