Portable Adjustable Design:
The adjustable Headband is not only designed for saving your desk space but for carrying in the provided bag.
Item type : P47 wirteless Headphone
Charging time : About 2 hours
Working time : About 6 hours
Headphone battery : 300mAh
Input current: 5V 1A
Frequency: 2kHz ~ 20kHz
Sensitivity: 88±3dB
Input current: 5V 1A
Impedance: 32Ω
Size (approximate): product packaging size: Length: 18.8cm / 7.4 inches; Width: 17.2cm/6.77 inches; Height: 7.1cm/2.8 inches