Gross Weight:80g Operation Mode:Trackball Power Type:Rechargeable Number of Buttons:4 Number of Rollers:1 pcs Hand Orientation:Right Package:Yes Style:Backlight DPI:1600 Interface Type:USB Type:2.4Ghz Wireless Origin:Mainland China Certification:CE function1:wireless mouse computer function2:raton inalambrico ordenador function3:wireless mouse function4:raton inalambrico function5:rechargeable bluetooth mouse function6:raton bluetooth recargable
