Rich Sound and Powerful Bass – 13mm Audio Drivers Provide an Enjoyable Listening Experience AI microphone for clear calls, splash and sweat resistant IPX4 – ideal for sports and everyday use Mini charging case lasts up to 26 hours of operation - 6 hours of operation on a single charge/- 20 hours of additional charging case Fast Charge – 15 minutes of charging gives you an hour of use Fast and efficient USB-C charging, full charge in just two hours