- Compact wireless mouse with Bluetooth technology ,- Whisper-quiet main buttons for undisturbed and relaxed working ,- Rubberized side surface for improved grip and comfort ,- Separate on/off switch allows for energy-saving use of the mouse ,- Dpi switch to change the pointer speed (max. 1600 dpi) ,- Wireless range: up to 8 metres , ,System Requirements: ,- Operating system: Windows 10/8/7/, Mac OS X 10.8 or above, Android 4.0 or later ,- PC, tablet or notebook with Bluetooth (integrated or external) - Connection: Wireless ,- Model: Compact Mouse ,- Number of Mouse Buttons: 3 Buttons incl. Scroll Wheel ,- Scroll Function: Scroll Wheel ,- Sensors: Optical ,- Width x Depth x Height: 6 x 10.4 x 3,9 cm ,- Resolution: 1200/1600/800 dpi ,- Colour: Anthracite 2 years legal warranty only