Sennheiser Momentum Sport True Wireless Olive (700306) are in-ear True Wireless earbuds designed for sports and active use. They feature Sennheiser’s sport sound profile with powerful bass for a motivating listening experience. Adaptive Active Noise Cancellation (ANC) and Transparency mode help manage surroundings during workouts. Integrated Polar technology enables real-time heart rate and body temperature tracking, syncing with fitness apps and devices. With IP55 sweat and splash resistance, they are built for intense training. Interchangeable ear fins and tips ensure a secure and comfortable fit. Battery life offers up to 6 hours on earbuds and up to 24 hours total with the case, with fast charging providing 45 minutes of playtime in 10 minutes.