2.4GHz 500 / 1000DPI Wireless Pen Mouse with USB Mini Receiver, Transmission Distance: 10m(Grey)

1) 2.4GHz High speed 2) Low pressure alarm 3) Precision optical 4) Comfortable feel 5) Operating frequency: 2.420GHz-2.483GHz 6) Transmission Distance: 10m, 360 Degree 7) Resolution adjustable: 500 / 1000 dpi 8) Tracing system: optical 9) Operating current: 15mA 10) Power supply: 1x 1.5V AAA battery 11) System requirements: Windows 2000 / XP / VISTA / 7 / Android / Linux / MAC OS 12) Size: 140 x 23 x 16mm