Bestdeal&reg; Wired USB Optical Finger Mouse for Computer Laptop Notebook 100% Brand new, high quality USB finger optical mouse. Strap to your finger or hold like a pencil for easy use. No mouse pad required, sliding on almost any surface. Resolution: 1200 dpi for quick and precise movement. USB interface, Plug-and-Play, no installation need. Digital encoder technology, operate precisely, prevent faulty movement effectively.