Bluetooth Headphones DIOWING Deep Bass HiFi Stereo Bluetooth Earbuds Sports Sweatproof Earphones 8 Hours Playtime Noise Cancelling Bluetooth Headset SUPERIOR SOUND QUALITY: Via CSR 8635 Bluetooth 4.1+EDR technology enables quick transmission and smooth connection,bring the CD-like effect and HD conversation quality;The earphones are compatible with the most Android/IOS/Windows devices (HSP/HFP/A2DP/AVRCP). GREAT BATTERY LIFE: Only need charge 2 hours to work 8 hours, enough time to enjoy.In order to ensure the headphones' normal operation,please use the original 5V charge cable to charge it. LIGHT AND COMFORTABLE IN-EAR HEADPHONES: only 0.85oz / 24g, ergonomic design with highly elastic silicon covering withstands wear-and-tear for long-term use. WATERPROOF PROTECTION: Nano coating protect headphones from sweat, light rain and accidental splash; Freely enjoy running,hiking and other outdoor activities. There are 2 pairs of earplugs and 1 pair of ear-hooks free to you. BUILT-IN MAGNETS DESIGN: Convenient built-in magnets are not only enable you attach the headphones together to prevent them to slid off your shoulders when not in use, but also avoid the cable tangling to present a fashionable look.