Sennheiser i300 In-Ear Sound Isolating Stereo Headphones w/ mic for iPhone (Certified Refurbished) This Certified Refurbished product is factory refurbished, shows limited or no wear, and includes all original accessories plus a 90 day warranty Ear sleeves have been replaced and are brand new. Smart remote with microphone to control your iPhone High-end dynamic speakers for natural bass response Sennheiser sound for superior dynamic range and enhanced bass response