Specifications            <br>table{border-top: 1px solid #DDDDDD;margin:0;border:0;padding:0;}table td， table tr {    border-bottom: 1px solid #DDDDDD;    line-height: 16px;    padding-left: 15px;text-align: left;    word-wrap: break-word;}table tr {    font-weight: normal;    width: 33%;}.head-line {    font-size: 12px;    font-weight: bold;    border-top-width: 0;    line-height: 30px;    padding-left: 15px;background-color: #F8F8F8;}General     <br>Frequency     2.4GHz Wireless     <br>Operating Voltage     DC 3V     <br>Current     25mA / 55mA     <br>Remote Control Operating Range     10m     <br>Color     Black     <br>Weight     4.34oz / 123g     <br>Dimensions     (7.48 x 5.91 x 0.79)" / (19 x 15 x 2)cm (L x W x H)     <br><br>                                                            Package Includes            1 x Air-Mouse1 x USB Adapter1 x Munual