Tzumi Bluetooth Stereo Foldable Rechargeable Wireless Headphones with Powerful Bass - Built in High Definition Microphone and Remote Music Control (Black) BLUETOOTH CONNECTIVITY: Pair effortlessly to iPhone, Android, Smartphones, tablets and all Bluetooth enabled devices. Move freely with wireless listening POWERFUL AUDIOPHILE TUNED BASS: 40mm Speakers professionally tuned by our sonic engineers driver crisp wide range natural sound quality with powerful bass. Comfort ear padding helps mute outside noise, allowing the headphones to deliver the sound in a undisturbed space. 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 todays popular phones FOLDABLE COMFORATBLE DESIGN: Allows for compact space saving storage. Adjustable padded comfortable headband with soft ear pads noise reducing. Lighter and more comfortable, than comparable wireless headphones. QUICK RECHARGEABLE BATTERY WITH +8 HOURS OF PLAY TIME: Connect the micro USB plug to micro USB port and connect USB Plug with power supply, average charge time 2.5 hours. Micro USB. USB cable included.