Product Description:<br />1. Installation is simple・ plug and play.<br />2. With ergonomic design・ comfortable grip・ flexible operation・ can effectively reduce fatigue.<br />3. Key switch life of up to one million times・ the button is sensitive・ long service life.<br />4. Using the latest optical sensor technology・ precise positioning・ resolution of 1600 DPI<br />.5. The optical induction・ precise positioning・ suitable for any plane.<br />6. With the design of wheel・ key combo.<br />7. Can be programmed wheel button.<br />8. 800 million of the key number of times・ service life ahead of other products.<br />9. 1600 DPI・ ultra-high precision positioning.10. Chip performance is stable・ USB interface.11. The mouse wire bold copper core・ solid and durable.<br />Mechanical Behavior:1. Interface: USB2. Compatibility: 98 / 2000 / NT / ME / XP / / VISTA3. Operating voltage: + 5vdc + 5%4. Current consumption: max20mA5. Safety Certification: CE・ ROHS・ FCC6. Switch operating force: 60 &#177; 15GF; Key operation force: 80 &#177; 20GF7. 3D button operating force: 170 &#177; 30GF (mouse button center of the vertical force)8. Switch life of 8 million times.9. Cable length: about 180 &#177; 1% cm10. Applicable models: All desktop notebooks WIN95 / 98 / 2000 / ME / XP / NT11. Working voltage: DC5 &#177; 5%12. Working current:   100MA13.  Material: ABS