‣ 40mm drivers deliver powerful sound with clear mids and highs ‣ Up to 30 hours of battery life on a single charge ‣ Built-in microphone for hands-free calling ‣ IP 20 splashproof rating for durability ‣ Soft, padded earcups for all-day comfort ‣ Wireless connectivity with Bluetooth 5.0 ‣ charging time: 3 hours