ProtoArc Vertical Wireless Trackball Mouse - Bluetooth Ergonomic Rollerball Mouse Rechargeable Computer Laptop Thumb Mice, 3 Device Connection,...

ProtoArc Vertical Wireless Trackball Mouse - Bluetooth Ergonomic Rollerball Mouse Rechargeable Computer Laptop Thumb Mice, 3 Device Connection, Compatible with iPad, Mac, Windows, PC, EM05 NL - Purple Brand: Protoarc Color: Purple Buttons: 6 Interface: USB & Bluetooth Tracking Method: Optical Hand Orientation: Right Hand Resolution (DPI): 5 DPI levels (200/400/800/1200/1600 DPI) Power Supply: Rechargeable Li-Po (500mAh) battery