‣ C500 4-in-1 gaming combo includes a USB multimedia keyboard with color backlight. ‣ The keyboard features 19-key anti-ghosting for responsive gaming. ‣ Ergonomically designed mouse with a palm-contoured shape for comfort during long gaming sessions. ‣ Adjustable DPI switch with 800-1600-2400-3200 levels for versatile use in different scenarios. ‣ Comfortable leather earmuffs and high-sensitivity microphone on headphones. ‣ Smooth cloth surface on mouse pad for precise mouse operation. ‣ 3mm thick non-slip rubber sole for stability and durability.