Great Item, Great Price!Have you noticed the price of Mini Mouse with advanced optical technology? It is an impressive item with attractive price, high quality and best after-sale service. The mini mouse will let you work well in the dark owing to its transparent side with built-in blue and red LED. Contoured shape design fits either hand. It is powered by USB, no external power needed.                                    Features            Transparent side with built-in blue and red LED, works well in the darkScrolling wheel lets you browse with easeContoured shape design fits either handUnique and stylish design for the maximum of comfortNo external power needed, directly powered by USB                                                            Specifications            Mouse Type    Wired 3D Optical Mouse    <br>Interface    USB    <br>Button    2 Buttons + 1 scroll wheel    <br>Power Supply    PC power    <br>Weight    4.13 oz    <br>Cable length    145cm / 57.13"    <br>Color    Black    <br>                                                            Package Includes            1 x USB Optical Scroll Wheel Mini Mouse for PC / Laptop