Wired mini USB 3D optical handheld finger ring mouse for laptop‎.‎3D internet wheel fully supports the wheel operation functions of Windows OS series‎.‎USB interface‎,‎ Plug‎-and‎-Play‎,‎ no installation need‎.‎No mouse pad required‎,‎ sliding on any surface‎.‎Real hardware resolution 1200dpi ‎- fastest and best ‎.‎fulfill the autoseroll and zooming function etc by its own drive‎.‎Digital encoder technology‎,‎ operate precisely‎,‎ prevent faulty movement effectively‎.‎Suitable as a gift for your friend or yourself‎.‎Notes‎:‎Due to the light and screen setting difference‎,‎ the item‎'‎s color may be slightly different from the pictures‎.‎Please allow slight dimension difference due to different manual measurement‎.‎