Ultra light-weighted， easy to carry， with Blue LED <br />DPI: 800/1000/1200/1600<br />Button Number: 4D<br />Working distance:10M<br />Bluetooth V3.0<br />Brand: MEMTEQ<br />Model Number: M3<br />DPI: 800/1000/1200/1600<br />Button Number: 4D<br />Working distance:10M<br />Bluetooth V3.0<br />Feature: Ergonomic<br />Color: silver grey <br />Power supply: 2 x 1.5V AAA (not included)<br />Voltage/current: DC 3V 0.2MA(Min) 12MA(Max) <br />Wireless distance/rate: 10m / 2.4GHZ <br />Dimension: about 111 x 61 x 28mm <br />Buttons: Left， Right， Scroll wheel， DPI button， ON/OFF <br />Instruction: <br />1. Please make sure the device that you want to connect supports Bluetooth. <br />2. Put the battery into the mouse and then turn on the mouse. Press "Left， scroll wheel， and Right" buttons together till the indicator flashes red and blue alternately， and then search on the device and connect. <br />OS supported:<br />1. Mainly applicable for Apple Mac OSX v10.2.6/laptop/PC ultrabook， etc. with Bluetooth <br />2. Desktop computer of windows 7/ XP/Vista， etc.， an external Bluetooth adapter is required. (adapter not included) <br /><br />1 x Mouse <br />1 x English user guide <br /><br /><br /><img src="http://img6.eachbuyer.com/x9/p100/bi923_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bi923_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bi923_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bi923_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bi923_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bi923_6.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bi923_7.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bi923_8.jpg" />