Arc II Sport offers more flexibility for better comfort, a 6-axis motion sensor for hands-free control, IPX5 water and sweat resistance and improved battery life with an enhanced charging case. The Arc II Sport also features multipoint connectivity that lets you seamlessly switch between devices, so you can listen to music from your computer and quickly answer a call from your phone. Intelligence is the biggest selling point for the ARC II sound arch in the sports scene. At the same time, the comfortable feel and excellent sound quality are a strong argument for the uniqueness of the sports version. Open design with improved flexible fit. IPX5 water and sweat resistant. Motion detection sensors for immersive, hands-free control. 16.2 mm driver with AptX Adaptive and multipoint connectivity. Up to 35 hours of battery life, 8 hours in buds, 27 hours in charging case. Customisable performance via the Cleer+ app. The Sport version features a new ultraviolet sterilisation charging box.