Tt eSPORTS HT-SHK002ECWH is an innovative ‘Plug & Play’ gaming headset for true stereo sound quality. It is usable with CD/DVD and digital audio players (via the gold-plated 3.5 mm mini-jack). The stylish remote control box offers instant access control. The headset is equipped with a 40mm driver unit, a frequency response of 20Hz~20 KHz, an impedance of 32 ohms, and a sensitivity of 114+/-3 dB. It has a max. input of 100mW and a cable length of 3m. The microphone has a directivity of bi-directional, an impedance of 2.