The Sennheiser Momentum Sport in Black are true wireless stereo earbuds designed specifically for active lifestyles. They combine high-quality audio with integrated heart rate and body temperature sensors powered by Polar, allowing you to track your physical vitals while listening to music. These black earbuds feature adaptive active noise cancellation to help you focus on your workout by adjusting to your environment, supported by a frequency range of 15 Hz to 18,000 Hz for a balanced sound profile. Built to withstand intense training, the earbuds carry an IP55 rating for water and dust resistance. Each earbud weighs 12.8 g and comes with various in-ear fin and tip sets to ensure a secure fit during movement. You can manage your audio via touch controls or through the Sennheiser Smart Control app, while six unidirectional microphones help maintain clear voice capture. The battery system provides up to 24 hours of playback time and supports both USB Type-C and wireless charging, reaching a full charge in about 1.5 hours. The package includes the black earbuds, a charging case with a convenient lanyard, and all necessary sizing accessories, making them a practical choice for athletes who want professional sound and health monitoring in one device.