Product specifications Color Black; Metallic gray Buttons 3 buttons; Scroll wheel Connector USB wireless receiver at 27 MHz Wireless technology 27MHz wireless technology Minimum system requirements Available USB port; Windows 7, Windows 8, Windows 10[2] 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