EP822 adopts double-material injection molding process and different texture design, which improves the grip of the product and brings excellent protection to the body; 5-inch high-definition touch screen, larger display area and better human-computer interaction interface are The user brings an excellent control experience; the screen is protected by high-strength glass and supports operation with gloves and wet hands; high-power speakers are guaranteed to be used on roads and airports , clear calls can still be made in high-noise environments such as mines; One hand detachable battery design makes use more convenient.