Bluetooth technology has been widely used in many electronic fields. Bluetooth mouse is new to make your online communication and work more convenient and quicker. This 3239 Wireless Bluetooth Optical Mouse we recommended is a practical one with advanced Bluetooth technology. Supporting Windows 7/XP/Vista， it is convenient and excellent to use. High technology and advanced design make it feature accurate response and ultra-smooth tracking. It is designed with Bluetooth chip and Bluetooth interface， and you can communicate with devices which have built-in Bluetooth in the range around you. Why not choose one as soon as possible?                                    Features             Support Bluetooth wireless transmission <br> Smooth and quick response buttons <br> Ergonomic and humanized design for comfortable operate<br> Low voltage is energy-saving<br> Make you enjoy wireless operation freely<br> Support Windows 7/XP/Vista， plug and play<br> The DPI can be adjusted  <br>                                                            Specifications             Interface     Bluetooth Wireless Transmission    <br> Optical Resolution     2000 DPI    <br> Battery Type     AAA Battery    <br> Dimensions     (4.41 x 2.72 x 1.46)" / (11.2 x 6.9 x 3.7)cm (L x W x H)    <br> Weight     2.01oz / 57g     <br> Power Supply     2 x AAA Batteries(not included)    <br> Supports System     Windows 7/ XP/ Vista    <br> Color     Silver    <br> Button     2 Buttons + 2 Page Up/ Down Buttons + 1 Scroll Wheel + 1 CPI    <br> Mouse Type     Bluetooth Optical Mouse    <br> Voltage     DC 3V    <br> Current     Min: 0.2mA; Max: 12mA    <br> Operating Distance     590.55" / 15m     <br>                                                             Package Includes            1 x Bluetooth Optical Mouse<br>