The compact charging case provides extended battery life, with up to 4-5 hours of continuous playtime on a single charge and a total of up to 20 hours with the case. The USB-C fast charging feature ensures quick and convenient recharging, so you can get back to your audio experience without long waiting times. The IPX4 water resistance rating protects the earphones from sweat and light splashes, making them suitable for exercise and outdoor use.