Specifications:
Load impedance:320
S/n:90db
Frequency range:20hz- 20khz
Power supply:Lithium battery or usb cable
Iphone, ipad, smartphone,
Audio source:Laptop, mp3, mp4, etc
Function spec:Bluetooth, microphone
Size:16.9x9.4x 20.5 cm
Packing list:
Headset +usb cable + manual*1
