Product Description To use the mouse, simply plug in the nano receiver to a USB port and switch on the mouse. The nano receiver is also small enough for it to be plugged in once and left connected, so it is the perfect mouse to use when on the move or for use on the desktop with minimal fuss.To preserve battery power, the GO NANO Mouse has a sleep mode. After a short period of inactivity the mouse will enter sleep mode. Simply press any of the buttons to wake it up again.The GO NANO Mouse has a resolution of 1600dpi for precision movement and control and is designed for comfort with a smooth, textured grip.Product Details3 button, 1600dpi wireless mouse.Plug-in Nano receiver - small enough to leave connected.2.4GHz RF wireless technology.Specially designed for comfort and control with a smooth, textured grip.System RequirementsInterface: USB-AOperating SystemWindows 7, 8 & 10Mac OS X 10.4 and higher SpecificationsDimensions: 95mm x 58mm x 35.45mm (L x W x H)Weight: 79 grams including batteriesRF (RF distance 6m - open space 10m)dpi (dots per inch): 1600 Pack Contents GO NANO MouseNano Receiver2 x AAA Batteries.