Noise Cancelling Wireless Bluetooth Headphones

Product information:

Transmission range: 15 meters 
Function: battery display, call function, voice control, support music, multi-point connection
Bluetooth protocol: 5.3
Channel: Stereo
How to use: earplugs
Whether single or binaural: bilateral stereo
Color: Black, Moon White, Orange, Gouache
Battery life: 40 (hours)
Size: 5.7*5*2.8cm

Packing list:

Bluetooth headset + charging cable + manual * 1