ZipKord 37035m Aux Audio Handsfree Cable - Retail Packaging - Black Car-Kit Quality - Noise Cancelling Microphone for outstanding voice clarity when making safer hands-free calls. Retractable - Cable Extends from 4-Inches to over 5-Feet, with 7 lengths in between! Reversible - Microphone Positions. Your Microphone is always in the very best position you choose! Universal - 3.5mm design works with ALL Smartphones, Music Phones, Media Players, e-Book Readers, Tablets, or Notebook PC. Compatibility: Any iPhone, Android, Blackberry, Palm Smartphone, Music-Enabled Cellphone, MP3 Media Player, e-Book Reader, Tablet, or Notebook PC that has a 3.5mm (1/8) stereo headset output jack.