The Joyroom JR-HG1 Wired gaming headset features a 50mm driver magnet and delivers stunning audio. It has a closed earmuff. The Joyroom JR-HG1 comes with a response rate of 20Hz-20KHz. It has an impedance of 20Ω±15%. It comes with a 1 female to 2 male port* 3.5mm adapter cable. This headphone is made of ABS + PC materials. The Joyroom JR-HG1 has no warranty.