Open and comfortable earphonesThe earphones adopt an open design, which uses vibration to transmit sound to the inside, so as to obtain balanced and clear audio, so that you can still feel the surrounding sounds while enjoying music. This design not only improves safety, but also solves the pain problem caused by traditional hard plastic wireless earphones to the ear canal.Wireless Bluetooth 5.4The wireless Bluetooth earphones adopt the latest technology-5.4 Bluetooth version. The fast connection speed and stable signal ensure that you will not disconnect the music connection when exercising. The connection range can reach 33 feet, which is fully compatible with mobile phones, tablets, computers and other electronic devices. Built-in microphone noise reduction module, intelligent recognition of human voice and noise, creating a quiet call environment.High-quality sound qualityThe wireless Bluetooth earphones use a 14.2mm subwoofer and lightweight polymer materials to bring a rich bass experience. The double-layer super-directional carbon fiber provides strong and stable high-frequency output, and the ACS panoramic audio matrix simulates a realistic 360* surround sound field, as if you are on the scene. Directional sound transmission technology can effectively emit sound waves, so that the sound is transmitted to the ears in a directional manner.Lightweight and comfortableThe Bluetooth earphones can be bent and stretched 369 without deformation, and can be adjusted according to your head shape. It can maintain stability during your sports training, allowing you to focus on the sport and experience unparalleled comfort. The earbud-free design allows you to listen all day without ear fatigue, and is compatible with glasses, hats, etc.IPX5 Waterproof and SweatproofOur sports earphones can prevent sweat, moisture and dust during exercise. With our Bluetooth earphones, even if you sweat during exercise, it is durable enough for you to experience a worry-free workout. Perfect for outdoor and indoor sports such as running, cycling, hiking, working, etc. (Not suitable for underwater swimming)