Sennheiser Momentum Sport True Wireless Black (700304) are in-ear True Wireless earbuds designed for sports and active lifestyles. Built-in sensors monitor heart rate and body temperature to optimize training performance. A 10mm acoustic driver delivers powerful bass for an energetic listening experience. Adaptive Active Noise Cancellation (ANC) reduces wind noise and adjusts to surroundings for optimal performance indoors and outdoors. They connect via Bluetooth to sports devices and apps, including Polar Flow for body temperature tracking. Interchangeable ear fins and tips ensure a secure and comfortable fit during extended workouts.