3Dconnexion SpaceNavigator,

Two Handed Power.
SpaceNavigator is used with a traditional mouse in a balanced and cooperative work style. One hand engages SpaceNavigator to position the model or navigate the environment while your other hand simultaneously uses the traditional mouse to select, create or edit. It’s a two handed work style where you click a lot less and accomplish a lot more.
A Virtual Extension of You.
At the heart of every 3Dconnexion 3D mouse is the Controller Cap. Gently push, pull, twist or tilt to simultaneously pan, zoom and rotate models or camera views. Increase pressure to go faster or decrease pressure to make intricate adjustments.