Bluetooth Wireless Headphone With High Bass S66

Transmission distance: 10 meters
Battery capacity: 300mAh
Charging voltage: DC5V
Horn diameter: φ40mm
Impedance: 32Ω
Working time: playing music 4-6h, talk time 8-10h
Channel: Stereo
Bluetooth version: 4.1
Microphone: built-in
Rated power: 100mw
Working voltage: DC3.7V
Frequency range: 20-20KHz
Use: headset
Features: listen to music; smart chip; hi-speed transmission; featured headset; first-class sound quality