Tested on thousands of ears for the optimal fit. Thanks to the latest miniaturization techniques, the electronics have been packed into a new, compact design. Waterproof and sweat-resistant, perfect for your training. With an IP57 rating, the headphones are completely waterproof and resistant to sweat. Nothing will stop you from running through a storm or sweating for your new personal best at the gym.

Small headphones with a big battery. Use the headphones continuously for up to 7.5 hours or up to 28 hours with the charging case. The charging case is designed to be very compact and features strong magnets that securely hold the headphones in place. Additionally, it can be charged via USB-C and boasts a handy form factor. Are you ready for the longest run of your life? Then charge your own batteries – because your headphones' battery doesn't need it. This is made possible by intelligent energy management and a new low-energy Bluetooth 5.0 chip.