The Bluetooth earphones use the latest Bluetooth 5.0 technology, enable more stable Bluetooth signal and connection. Built-in microphone, CVC8.0 Noise canceling, all this reduces damage to your ears and delivers perfect sound quality and ensures clear conversation for you.Elegant design makes it comfortable to wear. The 270 adjustable ear tips are perfect for right or left ear.Ergonomic design, the wireless earphones can be conveniently connected to the ear for a long time. No pain, no tangled cables, and don't even worry about dropping your headphones. IPX5 waterproof can prevent sweat and rain, suitable for multiple sports.Ultra-light sports earphones, bluetooth earphones with large capacity lithium battery, equipped with a specially customized 650mAH rechargeable lithium battery, after each full charge, you can enjoy up to 24-48 hours of music, Up to 8 hours of talk time and 180 hours of standby time. Immerse yourself in the world of music all day longEach headphone is tested before leaving the factory. Please don't hesitate to buy it!