Mouse - Universal - Ergonomic Vertical Mouse 2.4G Desktop Mouse Vertical Mouse Wireless Computer Mouse Highlights Universal Ergonomic Vertical Mouse 2.4G Desktop Mouse Vertical Mouse Wireless Computer Mouse Creative ergonomic vertical mouse 2.4g wireless mouse vertical mouse wire vertical mouse Wireless Mouse Mouse Product is shipped based on the main image color or size of the product page. Type: 2.4GHz wireless Number of rollers: 1 DPI: 1200 Bundle: yes Number of buttons: 5 Mode of operation: opto-electronic Interface type: USB Connection mode with computer: wireless The color black Direction of the roller: up and down Wireless frequency: 2.4GHz Whether supported ergonomics: Support Applicable models: laptop Key number: 5 Interface: USB Features: ergonomics Photoelectric resolution: 1200DPI The fastest delivery time: 1-3 days Working methods: photoelectric Adjustable resolution: third gear and the following Type: Wireless mouse