Retro Wireless Bluetooth-compatible 5.3 Head-mounted Dynamic Bass Boost Headset

Product information:
Color: Silver Brown, cold black, silver Black
Wearing method: Head-mounted
Bluetooth version: V5.3 chip
Drive unit: 40mm
Frequency range: 20Hz-20kHz
Standby duration: about 200 hours
Charging time: about 2 hours
Battery capacity: 350mAh
Charging Interface: TYPE-C
Barrier-free transmission distance: about 10 meters