Gaming Headset Model G9000 With Deep Bass and 7.1 SurroundAll headphones come with a adapter. Suitable for use on PS4 PC Laptop tablet phone Q: What is different of G2000 G4000 and G9000? Their appearance is different, G2000 G4000 is 3 jack(one USB is for backlit power jack, one for microphone, one for sounds),G2000 is better than G4000. G9000 is 2 jack(one USB is for backlit power jack,one for microphone+sounds) Attention please: The LED Light function could only work when you use USB Plug of the headphone!

Battery: Built-in 8000 mAh lithium battery

noise canceling microphone allows you to answer calls without reaching the phone

Model Number: T9

Noise Cancellation: Passive

7V 2500mAh)x 2

Charge time: 3 hours

Sensitivity: 116 ±3dB

300mAh charging case can full charge 2 earphones around 5 times

Distortion rate: <1%

Bluetooth Version: Bluetooth V5

and the knob can be adjusted

Maximum output: 10mW