Ultra comfort, outstanding performance and attractive appearance with excellent touch. Special ultra-Quiet technology, can reduce the noise during use prevent spills damage. Special keycap structural design. Special design for space bar and enter key. High resilience, enhance the touch feeling and increase of service life. Prevent spill design, prevent spill damage. wireless compact mouse equipped with a well-functioning.1200 dpi switchable optical sensor which enables quick response and high accuracy. Extremely ergonomic design of mouse ensures smooth and precise operation for many hours.Keyboard : Wireless Working distance 10-15m 105 keys Compatible with Windows 98/2000/ XP/VISTA 7/8 /10 Batteries not included Mouse: Wireless 1200 DPI Life Time:3.000.000 Compatible with Windows 98/2000/ XP/VISTA 7/8/10 Batteries not included