Features:
lNo cord to clutter your desk
lReliable 2-channel digital radio technology
lInnovative 255 user ID codes, no more problems with radio frequency     interference
lOperate range within 1.5 meters
lBattery saving mode, provides long battery life
lHigh resolution 520 DPI, 30% faster than 400 DPI mouse
lDesigned with 2-wheel for faster Vertical and Horizontal scrolling
lValued iWheelWorks program included
lScrolling in Windows® 95/98/Me/2000/NT4.0 and zooming in Office®97/2000
lISO 9001 Certified

Specification
Mouse dimension:122.3(L) x 64 (W) x 41(H) mm
Mouse weight: 0.1kg
 Packing
      1 pc/box: 224(L) x 184(W) x 56(H) mm, 0.35kg
      20 pcs/carton: 470(L) x 290(W) x 405(H) mm, 9.5 kg
 Container load: 10202 pcs/20', 20404 pcs/40'
 EMI: FCC part 15, subpart B, class B, CE

      Say goodbye to cumbersome mouse cables -- this digital radio technology works through    

   desktop clutter. Two frequency channels with 255 individual ID codes give you reliable
      performance.

 Easy scrolling with 2-wheel
      Advanced scrolling wheel save time and wrist pain. Simply roll the wheels forward or
      backward instead of clicking on vertical and horizontal scrollbars or arrows.
 Programmable Wheel Button
      Supports Auto-Scroll, Zoom and frequently used commands.
Enjoy total wireless freedom
      Use this mouse anywhere - don't worry about being forced to stay in the same spot by
      desk-cluttering cables.