YWZ BE30 Bluetooth Headphone
Features: Wireless
Micro SD Card Play, FM Radio, Audio Input
Sound Mode: Stereo
Speaker: Customized 40mm Nd Driver Unit
Impedance:32 Ohm
Sensitivity:105+/-3db
Frequency Response:20-20000Hz
Input Power:3.7 VDC, 280mAh
Built- in rechargeable Lion Battery 5 VDC 500mA, Micro USB charging
Operating Time: Approx. 20 Hours
Charging Time: Approx. 2 Hours
