The JITE 5055 Optical USB Mouse is a comfortable plug-and-play optical mouse with maximum 800dpi of precision. Its ergonomic curved design feels good in your hands. With high-grade optical components， it delivers all the speed and accuracy you want in a mouse and works anywhere. And it does not require any setup. Just plug it into the USB port and start surfing right away. Crafted from high quality materials， it is highly reliable for long-term use. Don&acute;t hesitate to buy now! It surely is worth buying!                                    Features             Ergonomic curved design feels good in your hands<br> Deliver all the speed and accuracy you want in a mouse<br> Work well on flat surfaces<br> Plug-and-play design， require no setup<br> High quality， stable performance <br>                                                            Specifications             Interface Type     USB    <br> Dimensions     (4.53 x 2.17 x 0.98) " / (11.5 x 5.5 x 2.5) cm (L x W x H)    <br> Weight     2.19 oz / 62 g     <br> Cable Length     59.06 " / 150 cm    <br> Support System     Win7 / 98 / 2000 / XP / ME etc.    <br> Color     Black    <br> Power Supply     USB Charge    <br> Maximum DPI     800    <br> Material     PC      <br>                                                             Package Includes            1 x Wired USB-Optical Mouse<br>