1) Wireless ,Laser, adopt new laser technology
2) Agilent Chipset
3) High hardware solution: 800 DPI
4) Ergonomic designed
5) Excellent work on any surface
6) High performance.
7) Laser fault detect circuitry on-chip for eye safty compliance.
8) Recharable bettery,Page up/down function
9) Excellent apperance & handle