Superior Noise Isolation earphones with SWAROVSKI Crystals and Microphone Talk on your iPhone, Listen to Music, Style like a Rock Star! GrungeBuds is the first-ever urban-fashion earphone/ mic that incorporates eye-popping style with SUPERIOR quality noise-isolation earphones. With SWAROVSKI Crystals, Stainless Steel-cast design, you know you want some! Key cool feature- Allows iTouch to make phone calls with the SKYPE application at any free WIFI Spots Key cool feature. The detachable microphone allows you to record lectures (or any sound clips) using the nano or any cellphone/ mp3 recording device. Handy! Luxury & Style Nothing but the Best - SWAROVKSI Crystals are set by hand. Cast Metal Designs and Braided Aluminum cables Matching Metal Cast choker! Works with any audio device - but you can Talk and Listen in style on your iPhone! (works with 3.5mm audio jack!) Talk and listen on your iPhone with this earphone-mic system! or just style with any audio/ MP3/ CD player. On/off switch function on the Microphone so you can keep your phone in your pocket while you answer calls! Removable hands-free microphone 3.5 mm audio jack for use with any audio player, CD player, MP3 player or cellphone-MP3 device that supports this standard size jack. Superior Stereo Sound Delivery Soft, comfort-fit ear buds delivery dynamic stereo sound. Rich, deep Bass for that "boom-boom Gold-Plated connectors Comes with three sizes of noise-isolation ear buds fittings for the best-fit EARPHONE SPECIFICATIONS Driver 10mm Sensitivity 98 dB Impedance 16 Ohm Frequency 20 to 20,000 Hz Plug Material Gold-Plated.