The Sennheiser Momentum Sport earphones are bulky, and that’s not a surprise, knowing these pack some health tracking features. You can use the earbuds with the provided ear fins for a secure fit, but you can also use them without them. The package includes three different sizes of ear tips and ear fins for various ear sizes. You also get a pair of non-winged tips. The earbuds have a plastic design and stick out your ear as they’re bulky.

the Sennheiser MOMENTUM Sport are designed for athletes. The headline feature of these earbuds is the built-in photoplethysmography (PPG) heart rate sensor and body temperature sensor.You can view your heart rate and body temperature in the Sennheiser Smart Control app or connect the earbuds to Polar Flow and other fitness tracking apps for more detailed data tracking.