Connection interface Compatible with Bluetooth® Low Energy 4.1 Frequency of inalambricated connections Frequency range of 2.4 GHz Inalambricant connection range 10 meters (33 feet) in open areas and up to 5 meters (16 feet) in a typical office environment Compatibility Microsoft Windows 10 / 8.1 The device must be compatible with Bluetooth® 4.0 technology or a later version Requires the installation of the Mouse and Teclado software. The equipment must meet the following requirements for download: Microsoft Windows 10 or 8.1, 150 MB of space available on hard disk Dimensions , mm inches) Weight 461,6 g (2,91 oz) (including batteries) Pila 2 alkaline batteries type AAA (included) Duration of the stack Up to 6 months Colours Black matte, lilac, soft rose, 1 year limited Garantia Limited Warranty Technology Details mouse tracking system: Microsoft BlueTrackTM Rapid image index: adaptable dynamically to 4000 frames per second XY resolution: 1000 points per inch (39.4 points per millimeter) Tracking speed: up to 762 millimeters (30 inches) per second Performance of the product characteristics Features of the mouse buttons: 2 buttons, left click and right Easy vertical layout characteristics