Mouse - Universal - Creative Ergonomic Vertical Mouse 2.4g Office Wireless Mouse Wowpen Vertical Mouse Wireless Highlights Universal Creative Ergonomic Vertical Mouse 2.4g Office Wireless Mouse Wowpen Vertical Mouse Wireless Creative Ergonomic Vertical Mouse 2.4g Office Wireless Mouse Wowpen Vertical Mouse Wireless The product is shipped based on the color or size of the main product page image. Creative Ergonomic Vertical Mouse 2.4g Office Wireless Mouse Wowpen Vertical Mouse Wireless Computer Mousethe Product is shipped based on the color or size of the main image on the product page. Type: 2.4GHz Wireless Rollers: 1dpi: 1200Package: Yes Number of Buttons: 5OperationMODE: Opto-ElectronicInterface Type: USBConnection Mode with Computer: WirelessColor: BlackRoller Direction: Up and Downwireless Frequency: 2.4 GHz While Ergonomics is support: SupportApplicable Models: Recordier Lake number: 500DPitheDayworking Methods: photoelectricadajussible Resolution: the third equipment and the following type: wireless mouse