Are you looking for a high-quality wireless headset to enjoy wonderful music and hands-free chatting during sport? We are proud to introduce professional and high-quality wireless back-headphone to you. This headphone can be used to listen to your favorite music and its hands-free function can let you freely chat with your friends， families or colleagues during sports or driving， and you have no need to worry about miss any important calls. And， this headphone has mini size and fording construction and comes with the latest Bluetooth 4.0 technology. Moreover， the silicone earmuffs can greatly insulate the sounds around you， so you can hear your call clearly.Features: Sport type back-hang in-ear design， lightweight and portable.Equipped with high-grade Bluetooth V4.0 Chipset.High fidelity and stereo model make you enjoy wonderful music. Intelligent built-in microphone and speaker.CVC echo/noise cancellation for reducing noise under the noisy environment. Low power consumption and support hands-free function.Wirelessly enjoy stereo music from all Bluetooth-enabled devices， such as， smart phones， laptop， Tablet PC， PDA， etc.Meet the ergonomics design， perfect construction. Soft comfortable silicone earmuffs for long wear (The included two pairs of earbud with different size for different people).Mini folding pocket size， easy to carry. Easily control playing / pausing， adjusting the volume， previous / next songs， answering / rejecting / ending an incoming call and redialing the last number. Built-in High-performance rechargeable Lithium-ion battery， and equipped with a micro USB charging port and can be easily charged by computer or any other device with USB interface within 2 hours. Practicably engineered for Outdoor Sports such as， running， jogging， mountain-climbing and other sports. Specifications: Model Number: SM808Bluetooth version: Bluetooth 4.0 + EDR Support profiles: HSP， HFP， A2DP， AVRCPOperation range: 10m Class 2Battery: High-performance rechargeable Lithium-ion batteryCharging time: 2 hoursCharger adapter Output: DC 5VMusic playing time: 5hoursTalk time: 6 hoursStandby time: Up to 60 hoursColor: WhiteMain item weight: 18g / 0.64ozPackage weight: 12.0 * 7.2 * 4.5 cm / 4.72 * 2.83 * 1.77inPackage size: 104g / 3.69ozCompatible Models:For iPhone6 6Plus 5S/ 5C/ 5/ 4S/ 4/ 3GS/ 3GFor iPad 4th 3rd 2nd 1st For iPad MiniFor iPod Touch 4th/ 5th/ Nano 7For Samsung Galaxy S5 S4 S3 S2， Note 4/ Note 3/ Note 2， Tab SeriesFor HTC One M7 M8 Desire X Series S VFor Lumia 800 820 900 920For Sony Xperia Z1 Z2For LG Pro 2 SeriesOr other Bluetooth-enabled devicesPackage list: 1 * Bluetooth Headset2 * Pairs of Earbud1 * USB Cable1 * Bag1 * English User Manual