Ergonomic Wireless Vertical Mouse - 2.4G Rechargeable Optical Mouse with 3 Adjustable DPI (1000/1600/2400) for PC, Laptop, Mac - Pink Computer Mouse for Women & Girls - Perfect for Office Work, Gaming, and Home Use

System requirements IBM or compatible computer Windows：2000/ME/XP（x64）/Vista/7/8 Mac OS X（over V10.4） An available USB port Specification Button number：6 buttons Tracking System: optical Frequency: 2405MHz-2476MHz Effective distance: 10m Working voltage/current: 3V/4mA Button life: 5 million times Roller life: 1.2 million turn Product dimensions: 110 * 72 * 75mm Product weight: 200±5g Resolution: 1000-1600-2400DPI Rate of return: 250Hz How to use? First, please ensure that the mouse has enough power; Second, you need to install the USB receiver on the computer; Third, after the computer recognizes the USB receiver, turn on the power of the mouse; After successful connection, it can be used.What to do if the mouse has no response? 1.Please charge the mouse with USB cable. 2.Please try to replace the receiver with an USB interface. 3.Make sure the power switch on the bottom of the mouse is “on”or at undefined position. 4.Try to restart the computer. If it is still unsuccessful, please email to us for technical assistance. Package ContentsWireless Vertical Mouse x1 USB Receiver x1 USB Charging Cable x 1 Instructions x1