Wireless Trackball Mouse EM01 NL Ergonomic Bluetooth Rollerball Thumb Rechargeable Computer Laptop Mouse Adjustable Angle & 3 Device Connection for PC Mac Windows-Gray 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 all-day comfortPrecise
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 reduce fatigue and strain on your wrist and arm. More productive in the narrow space such as the messy desktop couch bed etc.
Note: this trackball mouse is not an ordinary traditional mouse. Bluetooth & 2.4 G
Wireless Connection: PLUG and PLAY. This trackball mouse has triple connection modes. 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 etcRechargeable &
Adjustable DPI: The bluetooth Trackball Mouse built-in rechargeable lithium battery. No need to change batteries. Please remember to turn it off if you do not use it for a long time. 5 DPI levels (200/400/800/1200/1600) allows you to change the cursor sensitivity easily and track more smoothlyQuiet
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 non-programmable and the back forward buttons are not compatible with Mac OS systemAfter 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 smoothlyWarm
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 mouse grip you can experiment with different hand positions to find what is most comfortable for you. We recommend that you take 1-2 weeks to get used to it as many users find that it will help reduce the pressure and pain on your wrist caused by long-term use of the mouse and improve comfort