ZLOT Vertical Wireless Mouse,2.4G USB Optical Ergonomic Mice with 3 Adjustable DPI 1000/1600/2400 and 6 Buttons for Laptop, PC, Computer, Desktop, Black

Specification: Button number?6 buttons Tracking System: optical Connection Mode: 2.4G USB Effective distance: 10m Working voltage/current: 3V/4mA Size: 4.33 * 2.83 * 2.95 (in) Item weight: 100g DPI Levels: 1000-1600-2400 Polling Rate: 250Hz System requirements: Windows2000/ME/XP?x64?/Vista/7/8/10/Mac OS X?over V10.4)/Linux.(The Forward-Back thumb buttons are not recognized on the Mac OS X.) An available USB port Package includes: Mouse x1 USB Receiver x1 Instructions x1 (1 AA battery required but not included) What to do if the mouse has no response? 1.According to the positive and negative sign, please install it in the battery box correctly. 2.Please try to replace the receiver with an USB interface. 3.Make sure the power switch at the bottom of the mouse is "on"position. 4.Try to restart the computer. 5.Press the left?middle?right key when the power is on, and put the receiver into the computer, waiting for 5 seconds, and then you could rematch code successfully. 6.If it is still unsuccessful, please contact us for technical assistance. Note: When matching code, please make sure that the power switch has been turned on and the distance between the mouse and receiver is limited in 30CM.