Latest Bluetooth 4.1 Technology; 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.</br>Built-in rechargeable Lithium battery lasts up to 6 hours of calling?5 hours music playing time and 150 hours standby universally compatible with most Bluetooth-enabled phones</br>Comfortable to wear flexible and lightweight.</br>Good noise isolation to create the optimal environment for listening to your favorite tunes built-in microphone for clear calling and friends chatting</br>In ear comfortable silicone ear tips with 3 (S/M/L) adjustable buds. With ergonomical design rotatable ear hooks makes the headsets fit your ear securely</br></br>Product Description</br></br>Features: .Portable and light weight fashion design very easy to store in your bag .Ergonomic earbud design comfortable to wear .CVC6.0 intelligent noise reduction .Sweatproof design best choice when you do sports .With CSR4.1 APT-X audio decode technology offering you perfect sound .It can connect with