Product information:

Transmission range: 15 meters
Function: noise reduction, battery display, call function, voice control, support music
Can: Bluetooth Protocol: 5.0
Channel: Stereo
How to use: earplugs
Whether single or binaural: bilateral stereo
Color: black, silver
Mold type: private mold
Chip Type: Jerry
Battery life: 4 (hours)

Packing list:

1X Wireless Headphones
1X Instructions
1X Charger