Importer520 3.5mm In-Ear Stereo Headset w/On-off & Mic for Kyocera Hydro XTRM C6721 (US Cellular) - 2 Tone Black+Red Brand New Non-OEM (Generic) Polybag Package Enjoy Hands-free conversations with this in ear stereo headset w/ On Off switch Includes integrated earpieces and microphone Cord mounted ON/OFF button which lets you take calls and hang up easily. Excellent sound quality and super clear sound. Keep your hands free and on the wheel.