ZELOTES Professional LED Optical 2400 DPI 7 Button USB 2.4G Wireless Gaming Mouse Mice for Gamer (Black)

Basic Parameters: Engine: Optical Distance: 30m Data transmission: 1Mbps Key life: About 5 millions DPI: 600/1000/1600/2400DPI Rate of return: 250Hz-500Hz Max acceleration: 20G Size: 130x86x39mm Weight: 110±5g Features: Comfortable: Excellent ergonomic design. Precise Localization: Professional gaming mouse chip make localization more precisely. Sensitive data transmission without delay, responding more rapid and reliable. Long keystroke life, meet the needs of different customers. Antiskid Scroll: Convenient for browsing wed and file. Compatible system: XP/Windows Vista/Wins 7/Wins 8/Mac OS Packing List: 1 x Mouse 1 x Instruction Note: Please remove the foot pad protective film before use! Trouble shooting: no any function. 1) Please check to see if the batteries are installed correctly according to the mark for the positive and negative inside the battery compartment. 2) Please put the receiver to replace a USB interface to try 3) Make sure the power switch at the bottom of the mouse has been opened to ON or dazzle light mode 4) Restart the computer to try again.