The 5005 Wireless Mouse works with PCs and laptops without connecting cable. It has a high-grade sensor to offer quick and accurate response as well as optimum tracking. Scroll wheel and two buttons give an easy control and navigation. Moreover， it features an ergonomic deign so you won't feel painful after using it for a long time. With low power consumption， it has a long battery life with normal use. Don't hesitate to place an order right now! It surely is worth buying!                                    Features            Wireless connection avoids the hassle of running wiresHigh-grade sensor offers quick and accurate response as well as optimum trackingScroll wheel and two buttons give an easy control and navigationErgonomic deign ensures maximum comfortLow power consumption， long battery life with normal use                                                             Specifications             Color     Black & Blue    <br> Frequency     2.4GHZ    <br> Dimensions     (4.33 x 2.44 x 1.34) " / (11 x 6.2 x 3.4) cm (L x W x H)    <br> Weight     1.9 oz / 54 g      <br>                                                             Package Includes            1 x Wireless Mouse