This Claret RF-6040 2.4G Wireless Optical Mouse for PC / Laptop is in line with the notebook mouse， featuring a harmonious shape. It feels comfortable and is designed with Ergonomics， which is suitable for long-time use. It is intellgent connectivity， supportting plug-and-play. With built-in mouse memory， no recoding is needed after battery replacement. Besides， it is portable to carry and has a long working time. This Claret RF-6040 2.4G Wireless Optical Mouse optimizes your life undoubtedly!                                    Features            Mini and subtle recepter， small size and easy accession2.4G wireless transfer， 10-15m wireless operating range5 million times service life of press buttonAdjustable 800/1200DP mouse speedPower switch for saving energyEconomic and comfortable design                                                            Specifications            Power Supply     2 x AAA Batteries (not included)    <br>Mouse type     Optical Mouse / Wireless    <br>Interface     USB    <br>Button     2 Buttons + 1 scroll wheel + 1 CPI    <br>Dimensions     3.7" x 2.2" x 1.4" (L x W x H)    <br>Weight     3.7oz    <br>Color     Claret    <br>                                                            Package Includes            1 x RF-6040 Purple Wireless Mouse1 x USB Receiver(Built-in)                                                            Extra Info            Note: Please do not make the mouse far away from the receiver in order to work more smoothly.Operating distance relate greatly with operating environment.Please do not let the mouse Receiver and Bluetooth receivers are neighbors.You could better use the mouse on the white desk. In this way the batteries can be used for a long time.Please do not use Power Scroll Point on a desk which is made of glass， mirror， or black velvet. Also， a flat surface is necessary， or the optical sensor will not work correctly.If the mouse with ID switch， and you want to take off the mouse power immediately， please continue to press the ID switch of the mouse button at least three seconds.No need to check the digital connection within 10 seconds when change the batteries， if more than that please according to the primary way to re-operate.If your mice with save power sleeping function. Please press any key or scroll the wheel to wake up the mouse when it is sleeping.Please remove the batteries if the mouse will not be use for a long time.Actual battery life maybe depends on the individual habit to operate the mouse.In case of mouse failure， please check battery power and replace it as necessary.If you see any debris at the lens on the bottom of the optical mouse， you can blow it off with a can of compressed air. If not take a cotton swab or terry cloth rag and dip it in rubbing alcohol.If your mouse is Bluetooth mouse， please make sure that your computer supports Bluetooth function， or you need a Bluetooth dongle.