Buttons quantity: 4 Scroll: No Plug and Play: Yes Product colour: Black LED indicators: Activity On/off switch: Yes Laser wave power: 1 mW Laser class: 2 Presenter functions: Laser pointer Laser pointer colour: Red Trackball: No Depth: 13 mm Width: 27 mm Height: 133 mm Weight: 47 g Mac operating systems supported: Yes Windows operating systems supported: Yes Wireless range: 10 m Frequency band: 2.4 GHz Wireless receiver interface: USB Receiver type: Micro receiver Wireless technology: RF Receiver included: Yes Cables included: Micro-USB User guide: Yes