Product information:

Transmission range: 10 meters
Function: battery display, call function, voice control, music support, multi-point connection
Bluetooth protocol: 5.0
Channel: stereo
How to use: earplug type
Single or dual ear: bilateral stereo
Color: White
Waterproof: IPX5
Battery capacity: 300MAH
Charging method: TLPE-C
Charging voltage/current: 5V1A
Charging time in the charging compartment: about 70 minutes
Life time: 3~4 times (both ear charging)
Working temperature: -10C- -50C
Storage temperature: -10C- -55C

Packing list :

A pair of wireless earphones, USB*1, manual*1