Fashion Stereo Black Technology ear hook

Product information:
Product Model: YJ-77 Bluetooth headset (Silicon maogaoqing call effect)
Bluetooth solution: Bluetooth V5.2
Product Speaker: 16 Speaker (obvious bass effect)
Product chip: Jerry BT6973D4
Standby time: 120 days
Working hours: 16 hours
Charging time: about 1 hour
Communication Distance: Barrier-free 10-15 meters
Charging bin interface: Typ-C charging port
Headphone battery capacity: 110 mA (pure cobalt battery)
Color box size: 12*8 * 2.8cm