The Sennheiser MOMENTUM Sport earbuds are designed for active lifestyles offering high quality sound and durability. These earbuds feature Sennheiser's TrueResponse transducer for clear detailed audio with powerful bass. They are equipped with adaptive noise cancellation (ANC) to block out unwanted noise ensuring an immersive listening experience. The MOMENTUM Sport earbuds are built to withstand tough conditions with an IP54 rating for dust and water resistance making them perfect for workouts and outdoor activities. They provide up to 27 hours of playtime with the charging case and the fast charging feature gives you an hour of playback with just a 10 minute charge. The ergonomic design and multiple ear tip sizes ensure a secure and comfortable fit. Additionally the earbuds support Bluetooth 5.2 for a stable connection and low latency and they are compatible with voice assistants for hands free control. The MOMENTUM Sport earbuds are an excellent choice for anyone looking to combine high performance audio with a rugged sports friendly design.