Product details of AWEI GM-3 Wired Gaming Headset 7.1 Surround Sound With Microphone HIFI Stereo Headphone 3.5mm USB A For PC Computer Laptop Gamer Luminous Ambient Lights (Static RGB Luminescence) Interfaces: 3.5mm*1, USB*1 (for Charging Only) Speaker Diameter: 50mm Microphone: Rotatable Boom PVC Cable Length: 2.1m±3cm Interfaces: 2*3.5mm USB Microphone: φ6,050 /-42±3dB /2.2K/20Hz-16KHz (Omnidirectional) Drive Units: φ50mm, 20Ω/20Hz-20KHz (Moving Coil) Output Power: 20mW (1KHz, 0dB) SNR: >110dB THD: <1% Applications: Cellphone/Desktop PC/Laptop PC/Tablet PC, etc. Working Current: <90mA Input Voltage: 5V (USB) Wearing Method: Head-Mounted