Extended Playtime Perfection - Revel in a staggering 40 hours of non-stop tunes with a single charge of your TONEMAC Wireless Earbuds. Need a quick boost? Just 10 minutes of USB-C rapid charging gifts you an impressive 15 hours of playback. Say goodbye to battery woes and hello to endless beats.Supreme Sound Clarity - Immerse yourself in the pristine, crystal-clear audio of TONEMACs earbuds, powered by 10mm bio-diaphragm drivers and the flawless transmission of Bluetooth 5.3. Whether youre vibing to music, engrossed in Game of Thrones, or lost in your Kindle, these earbuds deliver an unmatched auditory experience.Bluetooth 5.3 Innovation - Connect swiftly and seamlessly with the cutting-edge Bluetooth 5.3 technology. Enjoy enduring battery life, stable connections, and premium sound quality. These versatile earbuds are the perfect match for a wide array of Bluetooth devices, ensuring youre always in sync.All-Day Comfort & Durability - Designed for resilience, the TONEMAC earbuds boast an IPX6 rating, guarding against water and sweat. The ergonomic neckband and three sizes of eartips ensure a snug, comfortable fit for all-day wear. Plus, the magnetic feature keeps your earbuds secure and within reach whenever you need them.Crystal-Clear Calls & Fitbit Sync - Experience unparalleled call clarity with TONEMACs advanced ENC noise-cancelling tech. Manage your calls and music effortlessly with intuitive controls. These earbuds also sync seamlessly with Fitbit, allowing you to monitor your fitness while enjoying your soundtrack.