Rechargeable lithium battery: 300mAh
<br />Resistance: 32ohm
<br />Sensitivity: 105dB+ / - 3dB
<br />Charge time: 2-3hrs
<br />Type: Stereo headphone with Mic
<br />Color: Blue/Red/Black/White
<br />Audio cable length: 1.2m / 47.24"
<br />Package size: 16.5 * 14.5 * 8.5cm / 6.50" * 5.71" * 3.45"
<br />Charge port: USB
<br />USB cableLength: 0.6m / 23.62"
<br />Plug type: 3.5mm 
<br />Bluetooth version: V3.0+EDR
<br />Operation distance: 10m 
<br />Earmuff diameter: 8cm / 3.15"
<br />Package includes:
<br />1 x Headset
<br />1 x USB Cable
<br />1 x Audio Cable
<br />1 x User Manual (English)
<br />Note: 1.Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid.
<br />         2.Due to the difference between different monitors, the picture may not reflect  the actual color of the item. Thank you!