Bluetooth v5.0 greatly reduces the level of power consumption, so you can get 4 hours of playtime, and the charging compartment can find about 40 hours of battery life, bringing you an impressive 40 hours of battery life. playing time. With the digital led display function, you can clearly see the power of each earbud and charging box. In addition, the box is small and can be placed in a pocket/bag/wallet that is ideal for running, running, cycling, and exercising in the gym. Equipped with earplugs of different sizes to make you use the earbuds for a long time without discomfort.