Foldable Wireless Bluetooth Headsets Equiper H1 Stereo Noise Cancelling Sweatproof Necklace Headphone In-ear Earphone With Mic Support Answer Call Black Foldable bluetooth headphone,easy to carry and rechargeable battery,convenient and practical CSR4.0 carried APT-X audio decoding technology,LED smart flashing light Bluetooth V4.0 CVC6.0 smart noise cancelling heavy bass headsets,built-in microphone Sweatproof/Waterproof design,let you enjoy the music free when you running/dancing/riding/hiking/Gym/Yoga.. Universal use, can be uesed for computers, PC, Tablet PC, smartphones(iPhone/Samsung/HTC/Xiaomi/Mezizu etc.)