Magneto Wearable Bluetooth Headphones,Wireless Sweatproof Sports Stereo Headsets In-ear Noise-isolating Headphones/Earbuds/Earphones with Microphone (Black) Magnet Attraction Design Hanging like a necklace around your neckyou do not need to worry it will lost when you go outside . Sweat / Water Proof : Making you freely enjoy the joy of music when running, gym, sports & exercise and other activities. Bluetooth 4.0 Version and CVC Noise Cancellation 6.0 -- High Quality music HD stereo sound, Compatible with most Bluetooth-enabled devices . Barrier-free Effective distance is about 10 meters( Depend on environment, mobile phone and headset line distance). Easy and Convenient to Operate : Volume up /down, CH+/CH- control. About 2.5 hours Charging time ; About 6 hours Talking Time /4 hours Playing Time/200 hours Stand-by Time ( when full charged ). With a Headphone Clip, Adjusting the headphone wearing length, making the headphone more appropriately to different people .Battery Power display on your iPhone phones .