Sennheiser Momentum Sport True Wireless Graphite (700305) are in-ear True Wireless earbuds designed for everyday use and travel. They feature Bluetooth 5.4 for stable and fast connectivity. Active Noise Cancellation (ANC) and Transparency mode allow control over surrounding sounds. The built-in microphone ensures clear call quality. Battery life offers up to 7.5 hours on the earbuds and up to 30 hours with the charging case.