Features: Keyboard 104 keys design meet your daily needs of office and games. Punk and floating key caps bring you mechanical hand feeling,comfortable and fashionable. With backlight key,enjoy colorful backlight effect when playing games or working. With HD laser carving characters and HD UV characters ,durable and wear-resistant. Water proof keyboard with draining function,the water can be drained out of the keyboard. Mouse Three button mouse,convenient and practical. With colorful light effect,give you multiple effect choices,cooling and fashionable. Ergonomic design,with 1600 DPI and 5 million times life,more comfortable. 3D non-slip wheel,response quickly and click correctly. Plug and play,easy to use. Specification: Model: D290 Black: Black/White(Optional) Interface: USB Interface Connection Type: Wired Key Number: 104 Keys Material: ABS System: Win XP/7/8/10 MAC 10.2 and above Item Size(Mouse): 11.263.7cm/4.42.41.5in Item Weight(Mouse): 93.2g/3.3oz Item