MY-10 2.4G 78 Keys 1200 DPI Mini Wireless Trackball Keyboard Wireless Keyboard And Mouse Set 1. The scissors foot key core design, the key cap has the same force, and has a better feel than the traditional structure. 2. Stable and reliable 2.4G wireless communication technology, operation within 10 meters 3. Mouse and keyboard in one, convenient and fast 4. Trackball roller technology, rotate freely between double steering 5. Ultra-thin design, multimedia buttons, trackball fixed point, comfortable feel, reliable, simple structure 6. 78-key thin keyboard, low keycap, built-in trackball optical mouse, sub-variable 1200DPI 7. Powerful multi-function hot keys and combination function keys 8. Operating distance: 10 meters 9. Operating frequency: no radio frequency 2.4GHz 10. Keyboard operating current: 8mA MAX 11. Receiver working current: 30mA max 12. Dimensions: 260 x 110 x 23mm 13. Weight: 272g