With 50mm high explosive power drivers, Skullcandy's HESH is locked and loaded to pummel your senses with pulverizing panoramic sound. The addition of the custom in-line mic only adds extra to the obscene levels of audio carnage and function you're in store for. You've been warned. Features:•In-line microphone pulse control switch (1 click for play/pause, 1 click to answer/end calls, 2 clicks for next track, 3 clicks for previous track) ; 50mm power drivers; Soft leather-touch ear pillows; Travel bag. Specs: Magnet type: NdFeB; Frequency response: 20-20 kHz; Impedance: 32 ohms; Max input power: 100mW; Cable length: 1.2m; Plug type: 3.5mm gold plated In-line microphone function compatible with: iPhone, iPod models (except new shuffle) Most Blackberry (with stereo jack, no volume control)