?Compact 87 Keys Design?No additional number keys,meets your demands in office or home ,you will be satified at how much space you save.Keyboard size: 13.5*5.5*1.2 inches.19 non-conflict keys allows you to press or hold multiple keys simultaneously. ?Rainbow Backlit Keyboard?There are 2 light up modes, 3 levels of brightness for choice. ?: Static Backlit;FN+?: Dynamic backlight. Fn+PgUp: Adjust the brightness plus; Fn+PgDn: Adjust the brightness reduction. Please note that this keyboard backlight cannot be change in one color. ?System Compatibility?Work for PC,Computer,Laptop,PS4,Xbox. USB plug and play, no additional driver needed. Compatible with Windows 2000/2003 / XP / Vista / Win7 / Win8 / Win10. ?Great Quality but Cheap?Becasue UV coated keycaps and injection laser carving ABS keycaps design, the letter of characters will never fade. The water-resistant keyboard prevents damage from spilled drinks or coffee. Removable keycaps, clean becomes easier. ?Caring Service?If you have any quality problems, please contact customer service, we will serve you wholeheartedly.We offer 30 days refund or replacement and 12 month warranty of the quality problem.