Immersive Sound and Clear Call experience: These wireless headphones with 13mm speakers and triple-layer composite diaphragms provide powerful bass, stunning treble and clear mids. So with the noise cancelling headphones, you can enjoy more vivid sound than ever. Also, the ENC calling noise cancellation technology brings you more than 80% noise reduction, giving you a whole better feeling to your calls, enjoy hands free calling during your workout. Our headphones is your prefect choice！ New Upgrade Technology for Fast and Stable Connections: Our bluetooth headphones offer a fast and stable connection with Bluetooth 5.3, which is a faster and more stable signal transmission and has successfully achieved low latency without interruption. With a range of 10m/33ft, whether you are at home, in the office, you don't have to worry about disconnection of the headphones wireless, providing you with a seamless listening experience. Small Size, More Comfortable to Wear: The wireless headsets are small and light, single headset is only 4g, and size is 0.79 *1.39in, charging case size is 2.44*0.98*1.89in, It's more convenient to carry, and you will not have any pressure on wearing the bluetooth earbuds. Plus,according to a large number of ergonomic simulation tests and ear canal research, multiple parts are carefully designed, and the curvature of the earbud is the same as the surface of the human ear. Easy and Convenient Touch Control and 40H Playback: The earphones support dual-ear touch control, providing convenient operation on the volume control, previous/next song, pause and answer calls along as well as voice assistant control. In addition, each headphone provides up to 6 hours of playback on a single charge and a total of 40 hours with a charging case. The headphones wireless bluetooth feature a USB-C charging port, charging the rechargeable case in only 1 hours. IP7 Waterproof and LED Power Display: With ultra-light Nano coating, the wireless headphones bluetooth reach IP7 waterproof grade, dust and rain proof. You can listen to music while running, working, reading,etc. Our Bluetooth earbuds also has a dual digital battery display case. Left / right LED light bar display the battery level of the ear buds, and the middle number shows the battery level of the charging case.