Soft and comfortable, ultra-light design: our open ear Bluetooth headphones are made of liquid silicone and the skin-friendly material ensures that you do not feel uncomfortable even during prolonged wear. Weighing only 7.1 g, they are the lightest open-ear headphones. Comfort, no burden, long lasting enjoyment. Fits All Ear Shapes: Ear hook design, open ear headphones embedded in 0.7mm high elastic titanium alloy memory steel wire, adjustable, no need to worry about the earbuds falling out. Excellent Bluetooth Connection: Bluetooth 5.4 technology provides a faster and more stable connection experience. With the ENC call noise cancellation function, external noise is not covered so you can still hear important information from the outside world clearly and stay safe when making calls. ULTIMATE SOUND EXPERIENCE Customized speakers ensure clear sound quality, allowing you to enjoy every note detail and enjoy an impressive listening experience. The unique DSP bass amplification algorithm can automatically calibrate the sound even at low volume, restore real bass and make the music more effective and engaging. 5 MINUTES CHARGE, 1 HOUR USE The ultra-long battery life of 28 hours can meet your need for at least one day. Fast charging, full charging takes only 1.5 hours. Whether you are listening to music, working, learning or training, our wireless Bluetooth sports headphones can do it. Low latency feature ensures a smooth experience in any scene. Package included: 1 pair of earphones with charging case, 1 charging cable, and 1 manual.