ProtoArc Wireless Bluetooth Trackball Mouse EM03 NL Ergonomic Rollerball Mouse Rechargeable Computer Mice 3 Device Connection

Ergonomic Index Finger Trackball: Our index finger trackball is expertly sculpted to fit your hand naturally, promoting a comfortable, neutral wrist posture and helping to prevent strain and fatigue during long computing sessions. Its 44mm trackball can provide precise control without moving your wrist or armUltimate Connection Freedom：PLUG and PLAY. This trackball mouse can connect to up to 3 devices via Bluetooth or USB receiver. Seamlessly switch between 3 devices – connect via bluetooth to your laptop and phone, while the included USB receiver links to your desktop or PC. Compatible with Windows, Android, Mac OS, iPadQuiet Clicking & Adjustable DPI: 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 or gaming. 5 DPI levels (200/400/800/1200/1600 DPI) allows you to change the cursor sensitivity easily for more precise tracking