User tailored for the wholesale! The latest Bluetooth 4.1 top technology， speed intelligent experience， ultra-thin streamline design， anti winding noodles line， perhaps is the world's most light music Bluetooth Headset! A new design of the loudspeaker unit， wireless HIFI quality of experience! The voice prompt， voice calls， one to two to connect 2 Mobile phone， excellent functional configuration， compact design concepts， fashion innate!S2 sports Bluetooth headsetWant to practice more focused， more enjoy? Blue string S2 sports Bluetooth headset ready walk side by side with you! From the streamlined appearance， create together with the blue string third into the ear headphones unparalleled bass effect， CVC wind noise， waterproof anti sweat， Bluetooth 4， voice control， no not S2 create the better for your forging chain conditions!1 quality clear bass resonance: Horn transmission fidelity special and detailed wireless music to your ears. Try to use the S2 to listen to Kanye West's "Love knockdown"， this rich on bass， pure and simple， S2 strong bass will make your workout with better effect!2.CVC wind noise: will not need the wind to eliminate wireless during a call， to provide a clear voice for distal listener. Wind noise function will eliminate wind in different scenes and space exploration and. (* this function is not active noise reduction)3 third generation side in ear headphones: Blue string by a special 14.2 mm neodymium iron chipping drive unit， rich sound. Earplugs quality sound， provide ergonomic comfort design for your ears.4 waterproof anti sweat: effectively prevent forged of sweat and rain affected headset operation.More than 5 points matching and voice command: simultaneous connection of two mobile phones. When a call is only to say "Yes" or "No" to answer or reject incoming calls， create value for your life.