New Version Wireless Bluetooth Headsets Stereo Sports CSR Bluetooth Headphones With HD Voice Microphone , Sweatproof Earphones with Super Long Working times Support Apt-x for iphone ipad Samsung LG Motoral HTC Huawei Nokia Mobile Phone. (Black) Adopt the high quality CSR 8635 chips. Apt-x audio tech provide the high fidelity stereo music near to CD stereo sound quality. The battery of this version has been improved a lot. Breakthrough traditional battery capacity up to 180 MAH, music time up to 8 hours. Talk time up to 10 hours. Sweatproof and neck controllar design makes it close to perfect sports headphone. You do not need to worry it will lost when you exercise , also no need to worry the tangle wires that drive you crazy. Built in HD voice microphone. Support hands-free calling, redial the last number, also support low power voice prompt. Compatible with most smartphone and will auto-reconnect the device with has been paired before. Can connected with two smartphone at the same time.