GOgroove BlueVIBE EBX Wireless Bluetooth 3.0 Earbuds Stereo Headphones w/ Headset Microphone , Rechargeable Battery and Optional Fitness Earhooks for Smartphones , Tablets , MP3 Players & More Designed for high-intensity activity, the included Active-Support earhooks take just seconds to attach and remove Ergonomic earbud shape rests comfortably and securely in the ear canal; Three included sizes of soft silicone ear gels help you to find the perfect fit Features sleek, aluminum-alloy earbud housings and two-tone, tangle-free flat cord design for a premium look and feel Enjoy completely wireless, high-fidelity audio transmission with Bluetooth 3.0 technology; Integrated playback controls allow you to play/pause your audio, adjust the volume, select tracks, and redial your last outgoing number Rechargeable battery provides 4 hours of crisp and clear audio playback; Conveniently charges via the included Micro-USB cable from your desktop computer, laptop, or your Smartphone's adapter