Unique ergonomic design supports ultimate comfort for all day use. Active Noise Cancellation - block out the world for an immersive listening experience. aptX Lossless Audio - replicates entire frequency of sound for pure music listening. IPX5 Rated water resistant. Clear Voice Capture. True wireless Bluetooth technology. Dedicated volume control and clickable button on earbud. Up to 9 hours of play time - additional 24 hours with charging case. 13mm Driver size. Includes 12 pairs of eartips.