Jectse Wireless Vertical Mouse - 2.4 GHz Wireless

Spec: Item Type: Wireless Vertical Mouse Product Material: ABS Number Of Keys: 6 Keys DPI: 800 1200 2400 3200 Battery: AA x 1 (Battery not Included) Mouse Size: Approx.140 x 75 x 80mm / 5.5 x 3 x 3.1in Receiver Size: Approx.6 x 19 x 14.6mm / 0.2 x 0.7 x 0.6in How to Use: Use after installing batteries (batteries not included).After inserting the wireless receiver into the USB port of PC, laptop and other devices, open the switch at the bottom of the mouse, the mouse is automatically connected to use. Packing List: 1 x Wireless Vertical Mouse 1 x Wireless Receiver