Product specifications

Color                                   : Black; Metallic gray

Buttons                               : 3 buttons; Scroll wheel

Connector                          : USB wireless receiver at 27 MHz

Wireless technology         : 27MHz wireless technology

Dimensions (W X D X H)   : 3.7 x 2.2 x 1.5 in

Weight                                 : 0.18 lb

Warranty                             : One-year, worldwide parts-and-labor limited warranty; 24x7 HP technical phone support during warranty period

What's in the box               : Mouse; Receiver; Batteries; Documentation; Warranty