VERTICAL / VERTICAL MOUSE WIRELESS –this is the biggest advantage of the mouse. From now on, no more tangled cables while gaming, studying, or working. In addition, the mouse is powered by batteries (not included). VERTICAL – also known as a vertical mouse, is a specific type of mouse that has a reverse orientation from traditional mice. A vertical mouse allows you to keep your hand in a vertical position, similar to a hand grip. COMPATIBLE– the mouse is compatible with all operating systems. So, you don't have to worry about it not being suitable for your system. 6 BUTTONS > - The mouse is equipped with 6 buttons, including the scroll wheel. This allows you to use the mouse exactly as you want. Click comfortably and adapt the sensitivity to the current situation and your needs. SPECIFICATIONS Material: ABS, Others: PU; black color; Sensor: Optical; Connectivity: Wireless / 2.4GHz; Mouse Type: Right-Handed; Range: 10 meters; Sensitivity: 800 / 1000 / 1200 DPI; Interface: USB; Receiver: USB nano (fits all USB 2.0, USB 3.0 etc. sockets, i.e. most computers on the market); Number of buttons: 6; Power supply: 2x AAA; Dimensions: 12 x 7.5 x 6.5 cm; Libra:; Weight: 81g; In the package: 122g.