Wireless Stereo Sport Bluetooth 4.1 Headsets, Intelligent Magnetic Clasp Noise Cancelling Sweatproof Microphone Hands-free APT-X Tech for iPhone 6S 6 Plus 5S iPad Android Phones Innovative control design:End of earplugs attached magnet, when not in use, the adsorption together to form a ring, more convenient to carry. When the call came, separate the adsorbed earplugs to answer,adsorption again to terminate the call or music. High Quality Guarantee: CVC noise cancellation 6.0 technology, with excellent sound effect collection, superior sound isolation, efficiently reduces external noises, and provides steady Bluetooth signal and support stereo APT-X lossless music. Ergonomic design: rubber adapters, unique flexible design and Anti-sweat earbuds ensure you get it perfect fit and remain stable in your ear. Lastest Bluetooth 4.1 technology: easy and fast pairing with smartphones, tablets and other Bluetooth enabled music devices; Can connect to 2 phones at the same time, and you will not miss any important calls. Long lasting enjoyment of music: about 8 hours talking/playing time, 2.5 hours charging time, 200 hours standby with a single charge, so you have less time charging and more time doing.