ProtoArc Wireless Trackball Mouse EM01 NL Ergonomic Bluetooth Rollerball Thumb Rechargeable Computer Laptop Mouse Adjustable Angle 3 Device Connection for PC Mac WindowsGold Ball

Ergonomic Design for More Comfort Unique adjustable hinge allows you to customize the trackball angle from 0 to 20 degrees according to your needs ensuring a more natural comfortable hand position for allday comfort Precise Thumb Mouse ProtoArc trackball mouse provides accurate and smooth tracking allowing for easy navigation through documents and web pages You no longer need to move your arm for the movement of the cursor Your thumb will control the cursor instead via the trackball It will effectively help reduce wrist and arm strain More productive in the narrow space such as the messy desktop couch bed etc Bluetooth 24 G Wireless Connection PLUG and PLAY This wireless trackball mouse has trimode connectivity You can control three devices at the same time switch freely between PC laptop and iPad with just one button to improve your efficiency Compatible with Windows Android Mac OS PC Laptop Desktop etc Rechargeable Adjustable DPI The bluetooth Trackball Mouse has a rechargeable battery No need to change batteries Please remember to turn it off if you do not use it for a long time It with adjustable DPI has 5 levels 20040080012001600 allows you to change the cursor sensitivity easily and track more smoothly Quiet Clicking Smooth frosted surface and quiet clicks can bring a better user experience and free your worry about bothering others and keep you stay focused while working Note The middle scroll wheel is not silent All the buttons are nonprogrammable and the back forward buttons are not compatible with Mac OS system After using the trackball for a period of time please clean the trackball and the three white rollers inside the hole to ensure that the trackball is always smooth Note When the computer is just started or a large application is running it may also cause the trackball to not run smoothly Warm Tips Since it takes a learning curve to get used to the control method when using our trackball mouse for the first time it may cause inconvenience to your mou