Ok Ultra Combat Bluetooth wireless headphones

Deep powerful sound performance: The developed 4mm dynamic drivers provide high-definition and clearer sound quality than CDs with richer bass. Easier connection: Open the charging case cover and the earbuds will automatically connect to paired Bluetooth devices. Bluetooth 5.0 technology creates a stable connection between your device and the wireless headphones for skip-free sound, even in crowded places. Long battery life: The headphones operate Hi-Fi stereo sound for up to 5 hours on a single charge. There are an additional 20 hours of usage in the compact charging case which charges quickly via USB-C. Suitable for all conditions: IPX5 water resistance for sweat resistance during intense workouts and all weather conditions.