Minicute Ergonomic vertical Mouse Ezmouse2 Gaming Wireless 2400dpi Laser healing wrist Mice for left Hand ergonomicVertical design for more natural hold,prevent CTS.Left handed design Wireless operation,transmission distance10 meters. Wireless technology makes this mouse portable and less cumbersome MaterialsABS environmental materials,which makes it confortable and wear proof.It's health and environment friendly 4 buttons + scroll wheel,DPI adjustable from 400,800,1600,2400.Satisfactory for office and gaming use.