Driver diameter: 40mm
Sensitivity:108dB +/- 3dB
Charging port:5 Pin micro usb
Bluetooth protocol standards:4.0
Successive working time:6(hours)
Manual warranty card
3.5mm audio cable
MICRO USB charging cable
1.Great compatibility.Compatible with bluetooth-enabled devices of cellphones,notebook,laptop and smart TV etc.
2.CVC6.0 broadband noise reduction, with automatic noise reduction technology, provide natural and clear music. Adopting protein soft high elastic ear pads, comfortable for long time wearing
3.Up to 6 hours of play time with rechargable 300MA safety explosion-proof polymer battery.Charge take only 1.5 hours and 30 hours standby,low battary alerts and smart power outage when in full charge.
4.3D HD stereo sound, powered by professional BASS amplifier chip to provide powerful bass sound
5.Using 40MM NdFeB strong magnet speakers. NdFeB large unit can enhance the bass horn shock effect and widen the sound field, play HIFI sound level. Advanced microphone system provides clear phone calls.