Tzumi Bluetooth Wireless Stereo ProBuds Sports Earbuds - Rechargeable Wireless Headphones with Powerful Bass - Built in High Definition Microphone and Remote Music Control - Red BLUETOOTH CONNECTIVITY: Pair effortlessly to iPhone, Android, Smartphones, tablets and all Bluetooth enabled devices. Move freely with wireless listening POWERFUL AUDIOPHILE TUNED AUDIO: Drivers professionally tuned by our sonic engineers driver crisp wide range natural sound quality with powerful bass. HIGH DEFINITION MICROPHONE WITH REMOTE MUSIC CONTROL: Answer incoming phone calls with the push of a button. Clear natural sound on both ends of a call. Control your players Power, Play, Pause, Stop, Volume Up and Down, Previous and Next Track. Features are compatible with today's popular phones WORKOUT AND SPORTS READY: Secure In-Ear Fit make these Pro EarBuds Perfect for the gym. The headphones come with three sizes of earbuds Small, Medium and Large. QUICK RECHARGEABLE BATTERY WITH 7 HOURS OF PLAY TIME: Connect the micro USB plug to micro USB port and connect USB Plug with power supply, average charge time 1 hour. Micro USB. USB cable included.