No In-ear Bluetooth Headset Air Conduction

Product information:
Color: Black gray, white and red
Product Model: BH520
Product Type: air conduction Bluetooth headset
Bluetooth version: V5.3
Battery capacity: 150mAh
Runing hour: 18h
Standby duration: 120H
Transmission Distance: 10 meters
Impedance noise reduction: 32Ω/cvc6.0
Function introduction: supports stereo Bluetooth listening to music, answering rejected calls,