General. Key technologyscissor. Connectivity. Connection typewireless. Connector typeUSB-A. Size & Weight. Weight of main unit94 g. Total weight94 g. Height of main product (in mm)20 mm. Depth of main product (in mm)130 mm. Width of main product (in mm)88 mm. Input. Power sourcebattery. Control. Number of keys22. Extra Information. Item Number25709. EAN Code8713439257090. Warranty2 years. Package ContentsWireless numpad. 2x AAA batteries. User guide. System RequirementsWindows 10 or 11. macOS 13, 14, 15*. Chrome OS*. USB-A port. *Compatibility keys may vary between OS