Brand VESKYS Model V05 Quantity 1 Color Black + blue Material ABS Connection Method Wired Connection Type USB 2.0 Cable Length 140 cm Tracking Method Optical Resolution 800-1200-1600-2400 dpi Power Supply USb 2.0 Supports System Windows 2000 / 2003 / XP / Vista / Win7 / Linux / WinCE (5.0 6.0) / Android (2.1 2.2 2.3 4.0) / Mac Other Vertical design allows your hand stretch naturally; Arch mouse back fit for palm very well; Specially designed for office workers and game players releasing hand and wrist fatigue and improving working efficiency Packing List 1 x Mouse (140cm cable)