3Dconnexion 3DX-700040 SpaceMouse Pro 3D Mouse

Full sized, soft coated hand rest, 3dconnexion six-degrees-of-freedom (6Dof) sensor, quick view keys, rotation toggle key, intelligent function keys On-screen display, keyboard modifiers (ctrl, Alt, shift, ESC), virtual NUMPAD, 15 programmable keys in total, Dimensions (Lx Wx H): 204 x 142mm x 58mm/ 8? x 5.6? x 2.3? Corded Mouse - cord length: approx. 3ft. Supported Operating Systems: Microsoft Windows, mac OS, Linux Battery life: 2 months. Rechargeable Lithium-ion-polymer