<p>Feature:<br/><br/>100% brand new and high quality<br/><br/>2.4Ghz Wireless Optical Mouse<br/><br/>Elegant, Slim,Comfortable Grip<br/><br/> Life: 5 million cycle<br/><br/>3 Buttons with scroll wheel<br/><br/>Scroll easily in any direction<br/><br/>Nano Mini Receiver hidden in the Mouse Bottom<br/><br/>Built-in Energy Saving system.<br/><br/>Wireless Technology works on most surfaces<br/><br/>Wireless carrier frequency: 2402MHz-2480MHz<br/><br/>16 wireless working channels, automatic frequency jumping<br/><br/>Mini Receiver can be contained and easy to carry<br/><br/>Maximum acceleration: 14 inches per second<br/><br/>Effective: 2.4GHz wireless transmission up to10 metres operating distance<br/><br/>Intelligent connectivity, No Need to Code, Plug & Play<br/><br/>Size:115 x 60 x 20mm<br/><br/>Power: 2 x AAA Batteries(Not Included)<br/><br/>Current: 1.5mA 1.5V<br/><br/>Weight: about 65g<br/><br/>How to use:<br/><br/>Step1: Open the Battery Cover(Underneath the Mouse), Install 2pcs Alkaline AAA Batteries.<br/><br/>Step2: Take out the USB Nano Dongle, and close the Battery Cover.<br/><br/>Step3: Plug the USB Nano Dongle in the USB Port.<br/><br/><br/><br/>Package Included:<br/><br/>1 x 2.4GHz USB Optical Wireless Mouse(Without original packaging)<br/><br/>1 x Mini Receiver </p>