Product information:

Item No.: Second Generation Astronaut
Transmission range 1: 0 meters
Function: battery display, call function, voice control, music support, multi-point connection
Bluetooth protocol: 5.0
Channel: Stereo
How to use: earplug style
Life time: 4 (hours)

Packing list:

Earphone*1 Earphone sleeve*1 Charging cable*1 Manual*1