Bluetooth Headsets, [Magnetic Design] Necklace Bluetooth V4.1 Wireless Sports Stereo Headphones Noise Cancelling Hands-Free Earbuds for Running Gym Exercise with A2DP/APT-X (Navy Blue) {Intelligent Magnetic Design}: End of earplugs attached magnet, adsorption together become a necklace instantly, without the worry of loss when you wear it during daily activities. Connecting the earpieces together will stop playing the music or disconnect the call,separate the adsorbed earplugs to answer. {Bluetooth 4.1 Technology}: Adopt latest Bluetooth 4.1 technology,with A2DP and APT-X headset, compatible with iPhone 6S 6 plus 5 5S 4S iPad and other bluetooth devices. Easy and fast pairing. {CVC6.0 Noise Reduction}: Bluetooth Headphones built-in HD Mic with CVC6.0 noise cancellation,ensure Hi-Fi Stereo Music Sound and Strong Signal,let you get high quality and clear voice in noisy environment like inside a gym and running on the road. {Long Battery Life}: Bluetooth Earphones built-in high-capability rechargeable lithium-ion polymer battery, about 7-8 hours talking/playing time, 2-3 hours charging time, 200 hours standby with a single charge ,provide you less time charging and more time for running. {1-to-2 Multipoint Connection}: Bluetooth headphone allows pairing with two mobile devices simultaneously. Support iOS and part of Android smartphones battery monitoring on status bar,it will definitely become your most intimate cotton jacket,easy to can answer your business or personal phone.