1. Lightweight memory flex neckband design with magnetic earphone holders allows maximum freedom on the run. Perfect Bluetooth headset solution for different occasions. Magnetic ear buds snap into place when not in use 2. With TF slot, you can leave your phone at home and enjoy your running and freedom(TF SD card is not included) 3. Ergonomically design ensure your headphones stay comfortable firm in the ears; A clip included to keep your headphone secure fit when running or skateboarding sports 4. Magnetic attraction feature let you attached the two headphones to your neck when not using, then avoid losing them 5. Stereo sound, good bass, crystal clear and stable; With built-in Mic for handsfree phone calls 6. Compatiable with all smartphones, tablets, music players. Easy and fast pairing with bluetooth enbled devices Specifications.Desgined and engineered for superior acoustic accuracy, balance, and clarity. It makes you hear deeper, richer bass and better audio. And they are very comfortable and calm in your ears. The speakers have been engineered in a way that minimize sound loss and maximize sound output.【Compatibility】Bluetooth headset works with any Bluetooth enabled device; Such as: iPhone X, iPhone 8, iPhone 8 Plus, iPhone 7, iPhone 7 Plus, iPhone 6, iPhone 6s, iPhone 6s Plus, iPhone 6 plus, iPhone 5, iPhone 5s, iPhone 5c, iPhone 5SE, iPhone 4, iPhone 4s, iPad Pro, iPad Air 2, iPad Air, iPad mini 4, iPad mini 2, Apple Watch;; Samsung Galaxy S7 edge, Samsung Galaxy S6 edge, Samsung Galaxy S7, Samsung Galaxy S6, Samsung Galaxy S5, Samsung Galaxy S3, Samsung Galaxy J3, Samsung Gala
【Magnets design 】 Built-in magnets let you attach the two headphones together when not using, and wear like a necklace around your neck, a convenient way to carry around.【Bluetooth 4.1】Easy and fast pairing with smartphones, tablets and other Bluetooth enabled music devices; Offer you impressive dynamic sound.【CVC 6.0 Technology】Noise cancellation 6.0 reduces outside noises, Offer you impressive dynamic sound; enable clearer microphone sound when talking, you get high quality and hands-free phone conversation even on the street or inside shopping mall.