This product is either discontinued or we cannot get that from suppliers.
Movement Resolution (dpi): 1000, Hand Orientation: Right Handed, Number of Buttons: 7, Gaming: Non Gaming, Scroll Wheel: Scrolling wheel (4-way), Mouse Operation: Button(s) with scroll wheel, Multi-Device: Yes, Number Of Batteries Required: 2, Ergonomic: Ergonomic, Wireless or Wired: Wireless, True Color: Black, Type of Battery: AA, Interface Type: Radio Frequency, Warranty: 01 Year Limited Warranty
Advanced ergonomic design with thumb scoop encourages natural hand and wrist postures, Mouse angle and height are designed to place wrist in a comfortable position, MicrosofTrack Technology.