L250 bluetooth4.2 + USB Wired Bilateral Stereo Gaming Headphone Adjustable Rechargeable Monitor Headset Support TF Card

Specification 1 Model L2502 Connection bluetooth4 2 USB Wired3 Unit impedance 32Ohm15 4 Driver diameter 40mm5 Sensitivity S P L 1003dB6 Frequency Response 20Hz 20KHz7 Power Supply Voltage 3 3 4 2V8 Working current 30mA 9 Transmission distance 10m 10 Charging Interface USB 11 Battery capacity 200mAh12 TF Card SupportFeatures 1 With 40mm speaker unit for more amazing sound effect bigger speaker unit to reproduce high medium and low frequency clearly 2 Folding earmuffs are comfortable and durable to wear Cover type design can surround the ear contour 3 Intelligently judge and reduce noise decibels to improve call audio transmission performance 4 Long battery life about 8 hours about 50 hours of standby about 2 hours of charging 5 Turn the product off and hold the multifunction button for about 2 seconds until the indicator light is on and the bluetooth flashes When the pairing is successful the blue light will remain on 6 Auto adjusting durable frame the headband will adjust automatically due to different head size 90 degree folding 7 Smart compatible notebook mobile phone tablet can be connected Package Included 1 Headphone