Features:- 2.4GHz Wireless Technology;- Optical Technology, high resolution at 1200CPI;- Unique CPI Switch button among 600/800/1000/1200;- Hassle-free operation interface, easy to connect to the PC or Laptop by the MINI Dongle;- 0-10 Meter working range;- Work with 2pcs AAA battery;- MINI Dongle, more convenient when plug into USB port;- 5 Button design, 2 extra side buttons function as Backward/Forward while Photo Viewing/Net Surfing;- Ergonomic design, more comfortable when using;- Compact size, easier to carry;- With power switch, more economical and convenient for power command;- Install and operate easily. Specification:Frequency: 2.4 - 2.48 GHzData Rate: > 700 KbpsTracking Method: Optical (LED)Resolution: 1200CPIPower: 2-5VDCMax/Min Working Current: 9mA/0.08mAStandby status Working Current: 0.4mASleep status Working Current: 0.08mADimensions:  Mouse: 110 x 75 x 38mm             Dongle: 18 x 14.5 x 6.5mmWeight: 60g (0.13 pounds) with Batteries System Requirements
PC running Windows 98, ME, 2000, XP, Vista and Windows 7, Mac OS 10.2.8 or later