[45Hrs Ultra Long Playtime] The wireless headphones provide up to 9 hours of continuous use time on a single charge and 45 hours of battery life with the charging case, ensuring uninterrupted listening for extended periods. The slim charging case adds convenience for carrying with you. [Designed for Sports] The Open Ear Design is engineered for comfort, providing a breathable and open fit. Each earbud weighs only 9 grams, making them light and comfortable to wear. These ergonomic workout headphones conform to the shape of your ears, allowing you to focus on your daily workout without worrying about falling out. Additionally, the high-sensitivity touch sensor's multi-function touch control for various operations with a single click. [Stronger Bass and Crystal Clear Calls] The TOUGH ON headphones with a 14.2mm dynamic driver, deliver powerful bass and clear treble, enhancing your music-listening experience by bringing every note and detail to life. The open ear earbuds are equipped with ENC noise canceling mics to passively cancel 80% of background noise, allowing you to hear crystal clear calls as if you were communicating face-to-face with others. [Leading Bluetooth 5.3 and Auto Pairing] Featuring advanced Bluetooth 5.3 chip technology, the wireless earbuds offer instant pairing and stable transmission without interruptions. Simply take the Bluetooth headphones out of the charging case, and they will automatically connect to your phone. Just select "TO-30" from the Bluetooth list on your device to connect. [Unrivaled Driving Comfort and Safety] You don't need to insert the earbuds into the ear canal, so you won't feel tired or experience pain when wearing them for extended periods. Experience unparalleled comfort and safety while driving with Bluetooth headphones. Surprisingly, our open ear earbuds allow you to hear external sounds while listening to music outdoors or walking, helping you avoid potential dangers.