??Exercise is good for the body£¬ but if you listen to music during exercising£¬ you will be more dedicated. People not only like listening to music during exercising£¬ but also don't want to miss any important calls. With the Sweat-proof wireless Bluetooth 4.0 Sport Headset£¬ you can easily realize the two thoughts and control your music and calls. Its hands-free function can set free you hands from answering the call during sports.Moreover£¬ the Sport Headset with a high-grade built-in microphone and speaker can offer you wonderful music and clear communication. Its lightweight and compact portable size is perfectly suitable for jogging£¬ mountain-climbing traveling£¬ hiking and other sports. Features: Uses the renowned Stereo Bluetooth 4.0 chip to ensure high-fidelity sound quality and stable performance. Supports NFC Function and hands-free call. Noise isolating in-ear design enables you to listen to more clear and wonderful sound£¬ improving audio quality. Sweat-proof: Effectively prevents sweat and rain¡¯s interfere with headset operation. High-performance and microphone transmits high fidelity and clear sound to your ears. Secure In-ear fit with memory wire never falls out£¬ providing the most secure fit for any activity Enjoy music wirelessly£¬ easy to switch between calls and music£¬ you will not miss any incoming call whilst listening to music. Easily control playing / pausing£¬ adjusting the volume£¬ previous/next songs£¬ answering / rejecting / ending an incoming call and redialing the last number. Compatible with almost all Bluetooth-enabled mobile devices such as£¬ for iPhone 6 6 Plus 5S£¬ for Samsung S6 S4 S3/Note 4 3 2£¬ for HTC One£¬ Tablet PC£¬ Laptop£¬ etc. Up to 5 hours of continuous Music and Talk Time£¬ 75 hours of Standby Time per charge cycle. Streamlined appearance£¬ Mini size£¬ portable£¬ lightweight and suitable for sport such as jogging£¬ mountain-climbing and other sports. High-quality£¬ comfortable wireless stereo headset designed for your active lifestyle with unparalleled freedom of movement. NOTE: The earphone is sweat proof£¬ can not be used for swimming. Specifications: Color: White£¬ Black (Optional) Bluetooth Version: Bluetooth 4.0 +EDR Bluetooth profile: HSP£¬ HFP£¬ A2DP£¬ AVRCP Bluetooth working range: 10m Rechargeable battery type: High-quality 3.7V Li-ion battery. Music / Talking Time: 5 hours Standby Time: 75 hours Charge Time : 1 ~ 2 hours Charging Interface: Micro-USB The headset cable length: 55cm Main item weight: 19g / 0.67oz Package size: 13.0 * 10.5 * 1.5cm / 5.11* 4.33 * 0.59 in Package weight: 26g / 0.93oz Package list: 1 * Sport Wireless Bluetooth 4.0 Headset 1 * USB Cable 2 * Pairs of earmuffs 1 * Chinese / English User Manual