Products Name: TWS Bluetooth 5.1 Earphones Wireless Bluetooth Headset HiFi Stereo Headphones These comfortable and ergonomic earphones can be used whilst jogging or a the gym without risking getting tangled in cables Highlights: Colorful breathing lights more emotional After successful Bluetooth matching, open the cover and automatically connect to Bluetooth 1 new upgraded chip,more stable transmission easier connection,call and listen to songs More smooth and stable phone calls,games are not stuck,and movies are constantly sounding Don't worry about sweat and rain damage to headphones, IPX4 waterproof Durable and increased service life Touch operation easy and convenient Comfortable to wear do not fall Can be single or double share good sound quality Full S.