Exercise is good for the body as well as psyche, 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 4.1 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, this Sport Headset is light in weight and portable, and has a high-grade built-in microphone which can offer you wonderful sound quality. It is perfectly suitable for jogging, mountain-climbing and other outdoor sports. Features: Crisp Treble, Natural Alto, Deep Bass. Has streamlined appearance, Pickily Selected from many design drafts. Bluetooth 4.1,strengthen the data transmission, more stable signal. Ergonomic T-light ear adapter ensures comfort of long time of listening. Superb bass resonance with 3rd generation in-ear earphone, wind noise reduction, sweat-proof. . Wind Noise Reduction: Electronic technology blocks out wind noise, improves the calls clearly. Sweat-proof: Effectively prevents sweat and rain’s interfere with headset operation. 6th generation CVC noisy reduction. High-performance and microphone transmits high fidelity and clear sound to your ears. Supports hands-free call and voice prompt. Enjoy music wirelessly, easy to switch between calls and music, you will not miss any incoming call whilst listening to music. Support multipoint connections: Can simultaneously connect two mobile phone. The included two pairs of silicone earmuffs with different sizes for comfortable wear and can greatly insulate the noise around you, and you can choose the optimal earmuff from the three earmuffs to enjoy the wonderful sound quality. Easily control playing / pausing, adjusting the volume, previous/next songs, answering / rejecting / ending an incoming call and redialing the last number. Equipped with a micro USB charging port and can be easily powered via its Micro USB port . Compatible with almost all Bluetooth-enabled mobile devices such as, for iPhone6 6Plus 5S, for Samsung S5 S4 S3/Note 4 3 2, for HTC One, Tablet PC, Laptop, etc. Streamline appearance, mini size, and suitable for sport such as jogging, mountain-climbing and other sports. NOTE : The earphone is sweat proof, can not be used for swimming. Specifications: Brand Name: Bluedio Bluetooth Name: Q5 Color: Red / Green / Blue (Optional) Bluetooth Version: Bluetooth 4.1+EDR Bluetooth profile: HSP, HFP, A2DP, AVRCP, SPP Frequency Response:20Hz-20KHz Bluetooth working range: 10m Rechargeable battery type: Li-ion battery Drive Unit:10mm Speaker Impedance:16ohm Sensitivity(S.P.L):110dB THD!#!lt!*!0.1% Talking Time :7 hours Music Time: 6 hours Standby Time :220 hours Charge Time : 1-2 hours Charging Interface: Micro-USB The headset cable length: 60cm Main item weight: 18g / 0.63oz Package size: 20.5 * 10.0 * 4.5cm / 8.07 * 3.93 * 1.77 in Package weight: 87g / 3.08oz Package list: 1 * Q5 Sport Wireless Bluetooth 4.1 Headset 1 * USB Cable 1 * Pair of T-light Ear Adapter 1 * Pairs of earmuffs 1 * (Chinese, English, French, Spanish, Japanese, German) User Manual