"PRODUCT DESIGN The new configuration will bring you the pleasure of new technology and comfort, and enjoy music to the fullest. Magnetic absorption Easy to carry Wear light and stylish The collar is made of medical silicone, which is comfortable to wear like a baby's skin and can be bent at will. Bio-diaphragm Stereo surround subwoofer Sports Wireless Neck Headphones New appearance design, enhance your experience let you enjoy music to the fullest. Waterproof and Sweatproof WIRELESS BT 5.0 45°In-ear Painless after wearing for a long time. Multi-function button Easy to listen to music There is no delay in wireless transmission to achieve audio and video synchronization."