ProtoArc Wireless Trackball 2.4g Ergonomic Rollerball Mouse Rechargeable Bluetooth Computer Mice 3 Device Connection

Equipped with a smooth trackball, move your cursor with your thumb movement instead of moving your wrist and arm. It will effectively reduce fatigue and strain for your wrist and arm. Ergonomic thumb mouse reduce fatigue and strain for your wrist and arm. Protoarc trackballs in different positions EM04 Thumb type : keep your palm in a natural position EM03 index figer type: free your thumb and wrist Rechargeable Mouse With build-in rechargeable battery, no need to replace the battery, you can charge the mouse easily with the Type-c cable included in package 1x Wireless Trackball Mouse 1x USB Receiver 1x Type C Charging Cable 1x User Manual One mouse for three devices This trackball mouse has triple connection modes. You can control three devices at the same time, switch freely between Android, tablet and with just one button. Compatible with Windows, Android, OS PC Laptop Desktop etc Adjustable DPI With 5 DPI modes, you can adjust cursor movement speed for superior and accuracy control by pressing the DPI button ProtoArc bluetooth trackball mouse is designed with ergonomic and elegant curved shape. With the back and forward button, you can browse your website easily, make your work more efficient. Note: all the buttons are non-programmable and the back forward buttons are not compatible with OS system