Logitech MK235 RF Wireless QWERTY Desktop Combo Grey (920 007897) Gaming Headsets 4 Design Surface coloration Monotone 4 Design Surface coloration Monotone Colour of product Grey Ergonomics Wireless range 10 m Rechargeable No Receiver Wireless receiver interface USB Receiver type Nano Power Power source type Battery Number of batteries supported 2 Service life of battery 36 month(s) Power Keyboard battery type AAA Number of batteries (mouse) 1 Mouse battery type AA Mouse Movement detection technology Optical Buttons type Pressed buttons Number of scroll wheels 1 Buttons quantity 2 Mouse included Yes Scrolling directions Vertical Scroll Yes Scroll type Wheel System requirements Windows operating systems supported Windows 10 Education Vented shelf plate to preserve airflow Windows 8 Pro x64 4 Design Surface coloration Monotone Colour of product Grey Ergonomics Wireless range 10 m Rechargeable No Receiver Wireless receiver interface USB Receiver type Nano Power Power source type Battery Number of batteries supported 2 Service life of battery 36 month(s) Power Keyboard battery type AAA Number of batteries (mouse) 1 Mouse battery type AA Mouse Movement detection technology Optical Buttons type Pressed buttons Number of scroll wheels 1 Buttons quantity 2 Mouse included Yes Scrolling directions Vertical Scroll Yes Scroll type Wheel System requirements Windows operating systems supported Windows 10 Education