Hi-Fi TWS-Headphones Not in-ear JS270 With Ear Hooks For Training Sport Digital Display Wireless Earphones Bluetooth 5.3 Inaudible Features: The battery life is up to 30 hours, a single earphone can be used for 8 hours when fully charged, and the charging box can last for 2 times for the earphone, with a total battery life of 30 hours, ensuring that every trip will be uninterrupted and the music will continue. Multiple functions: long-lasting battery life of about 30 hours, large dynamically speaker, high quality and good sound quality, open and comfortable to wear, Bluetooth 5.1 chip, IPX5 waterproof and sweatproof The seamless switching between single and double ears, the good sound is no longer interrupted, and the boring experience of single and double ear dam replacement of wireless headphones is solved. 16MM large size, enjoy high-definition sound quality, a new generation of Bluetooth 5.1 chip, transmission speed, connection stability, greatly improved, 10 meters transmission distance, can provide ultra-low power performance, whether listening to songs, games, video and audio will let you go. step. IPX5 waterproof, born for sports, no fear of sweat and light rain, accompany you to enjoy the pleasure of sports when you travel. Pick up and connect, no need to wait: After the first connection is successful, there is no need to manually connect again, Hall change function, open the cover and automatically connect to the automatic matching device, and the music is ready at any time. Super comfortable and stable to wear, not hurting your ears, not in-ear hanging, multi-point support design, stable and comfortable, all day wear without hurting your ears. Super beauty: it can be used with bluetooth, and it is compatible with most devices with bluetooth function on the market. Mobile phones, tablets, computers, etc. can be easily connected. Product parameters: Item model number: JS270 Bluetooth version: V5.1 Bluetooth protocol: A2DP, AVRCP, HFP Effective distance: 10m Frequency response range: 20Hz-20KHz Sound pressure level: 943dBspL(A) Working time: about 8h (single earphone) + 16h (charging box) Input: DC 5V 200mA (headphone), DV5V1A (charging box) Package: 1X bluetooth headset