Specifications:

Driver diameter: 40mm

Impedance: 32Ohm

Sensitivity: 105dB +/- 3dB at 1KHz

Frequency range: 15Hz-20KHz

Mic dimension: 6.0 * 5.0mm

Mic sensitivity: -38dB +/- 3dB

Mic impedance: 2.2kohm

LED working voltage: DC5V +/- 5%

Headset interface: 3.5mm + USB (USB for LED light)

Cable length: Approx. 2.2m / 7.22ft

Headphone size: Approx. 20 * 9 * 21.5cm / 7.9 * 3.5 * 8.5in

Headphone weight: 330g / 11.6oz

Package size: 22 * 9.7 * 23.6cm / 8.7 * 3.8 * 9.3in

Package weight: 538g / 1.17Lbs

Package content:

1 x EACH G9000 Headphone

Notice:

The USB is just for LED lights to work, the headphone couldn't work only with the USB, it has to plug the 3.5 mm plug at the same time