New TaoTronics TT-BH07U (Upgraded Version) headset lets you enjoy great sounds on-the-go. Comfortable and snug fit make sure the headset stays put when you are out running, jogging or exercising. When you are done with your music, simply attach the headphones together and wear like a necklace. Cut the cord and break away from wires with Bluetooth 4.1. You can enjoy excellent sound performance from this durable, lightweight and sweat-proof headset. Work out and stay fit with clear, natural sound that drives you forward. Communication can be wireless by this headphone. No App Supportive. Not just for music, the headphone is also a great choice for making phone calls with friends and family. CVC 6.0 Noise Cancellation technology filters out the surrounding noise and makes your sound loud and clear. You get high quality, hands-free phone conversation even on the street or inside shopping mall. This headphone has HD Mic. Specially designed ceramic antenna improves signal strength and tolerates more interference, your music becomes smooth without noise or breaks. When taking phone call with the built-in microphone, your voices are clearer and easier to be heard.Functions of this headphone are Bluetooth,Waterproof,Noise Cancelling,Microphone,Wireless Headphone,For Mobile Phone,Sport,Voice control. Earbuds that work with all smartphones, tablets and music players. Easy and fast pairing with smartphones, tablets and other Bluetooth enabled music devices; aptX codec provides pure, CD-like high quality sound for compatible devices.Vocalism Principle:Dynamic Frequency Response Range:20-20000Hz Support Memory Card:No............... 1. DESIGN S7 is designed for sports usage , made by waterproof material, ergonomic innovative and waterproof sweatproof design ensures this headset is comfortable and secure for sports ,running ,jogging ,walking ,exercising,etc. 2. STYLE Stylish looks and built-in Bluetooth chip with HiFi Stereo earphones ensures you could enjoy high quality stereo bass sound. Mini Portable Wireless headsets with built-in microchpone and great Noise Cancellation produces clear loud sound, convenient and easy to answer and end the phones. 3. BLUE TOOTH VERSION Bluetooth Version 4.1 supports hands-free with earhook, it could connect two cellphones simultaneously,easy to pair.10 meter Bluetooth cover range. Compatible with most Smartphones, For iPhone, iPad, iPod,Android Phone All Bluetooth devices. 4. TECHNICAL SPECIFCATON 1. Bluetooth ver: 4.1 CSR 2. talk time: 5-7h 3. music time: 3-5h 5. Standby time: 180 hours 6. charging time: 1.9 hours 7. Mic: Yes Package: 1 x Ubit S7 Bluetooth headphone 1 x USB Cable 1 x Earplug