Nowadays， almost everyone has a computer. Certainly， the mouse becomes a must-have. Buying a suitable mouse is important to every user. Now， you should not miss this wonderful mouse. We are glad to give you a recommendation of this V2013 Wireless Mouse Black. Made of high quality material， it is durable. There is no driver installation required for this plug and play mouse. With the ergonomic design， it is comfortable and scientific. I am sure that it will bring a lot of convenience to you. Good choice for you!                                    Features            2.4 GHz digital wireless transmission， operation distance is up to 10 metersBuilt-in mouse memory， no recoding is needed after battery replacement4-section design， the service life of one AAA alkaline battery is up to six mouthsIntelligent connectivity， no need to code， plug-and-playErgonomically designed， comfort gripMany dormant class control and more power-saving hibernation connectionless<br>                                                            Specifications            Power Supply    2 x AAA Batteries    <br>Mouse Type    2.4GHz Wireless Optical Mouse    <br>Interface    USB 2.0    <br>Button    2 Buttons + 1 Scroll Wheel + 1 DPI Button    <br>Resolution    800-1600 DPI    <br>Working Voltage    3V， 10mA    <br>Dimensions    11 x 5.8 x 1.8cm / 4.33" x 2.28" x 0.71" (L x Wx H)    <br>Color    Black    <br>Weight    80 g / 2.82 oz     <br>                                                            Package Includes            1 x 2.4GHz Wireless Mouse1 x Receiver (Built inside)