<ul><li>Highlights: Bluetooth 5.2 chip brings high speed and stable transmission, which has strong ability of anti-interference. You will feel comfortable to wear the earphone with ergonomic design.With a TF card slot, it can be used to play music with a memory card. The magnetic design makes it easy to store and avoid losing.It is made of premium ABS, TPE and electronic component material. It is reliable and durable.The length of the product is 20.5cm, the width is 11.5cm, the height is 2cm.It is suitable for sports, travel, etc</li></ul>