Specifications:
Brand: BUTFULAKE
Model: SL-220
Speaker size: 57mm
Impedance: 32Ω +/- 15%
Sensitivity: 105dB +/- 3dB
Frequency range: 15Hz-20KHz
Microphone: 4.0 * 1.5mm
Microphone Sensitivity: – 38dB +/- 3dB
Microphone impedance: 2.2K Ω
Directionality: omni-directional
Cable length: 2.1M +/- 0.15
LED working voltage: DC5V +/- 5%
Working current: ≤50mA
Headset jack: USB + 3.5mm (4pin)

Features:
1. Lightweight design, self-adjusting head beam design, the best game wearing experience.
2. All-inclusive protein leather earmuff can reduce hearing impairment with soft and delicate touch.
3. Ultrathin membrane film / high-pass magnetic core / surrounding stereo subwoofer.
4. High sensitivity microphone with retractable inner side and hidden tube, can be adjusted to 120 degrees up and down and delivers more accurate, clear and smooth voice.
5. Colorful and luminous LED.
6. Volume control button.
7. 3.5MM International standard (CTIA) device interface (right channel + / ground – / left channel + / microphone + ).
8. USB interface for power supply for the LED lights.
9. Used for single hole interface.
10. Used for one-to-two tieline.

Package List:
1 x Gaming Headset
1 x User Manual

Note:
This headset is NOT USB-Headset, the USB interface is only used for power supply to LED light.
You can call it Kekilo gaming headset or BUTFULAKE gaming headset.