Experience superior sound with the Sennheiser SPORT True Wireless Earbuds. Powered by Sennheiser’s TrueResponse transducer, these earbuds deliver a high-end audio experience with full bass. Personalize your sound with the built-in equalizer and a wide range of Bluetooth codec support including AAC, aptX, and SBC. Adapt your listening experience with the choice of open ear adapters for situational awareness or closed ear adapters for passive noise cancellation to block distractions. Enjoy a secure and customized fit with the ergonomic design, interchangeable fins, and multiple ear adapter sizes. These earbuds boast an IP54 rating for dust, splash, and sweat resistance, ensuring durability in any condition. With a long battery life, get up to 27 hours of music playtime, including on-the-go charging via the high-quality case. Control your audio, calls, and voice assistant with the Smart Control App, which allows for personalized settings and independent earbud use. Perfect for active lifestyles, music, and calls.