Features            Exquisite and compact， lightweight and portableA perfect combination of keyboard， mouse and multi-mediaHigh quality material and creative designEasy and convenient to operateProgressive layout with excellent hand feelingFaddish equipment for every householdCompatible with Windows 2000 / XP / Vista / CE / 7， Linux                                                            Specifications            Dimensions    5.78 x 3.84 x 0.75" / 14.68 x 9.75 x 1.9 cm (L x W x H)    <br>Weight    8.57 oz / 243 g    <br>Color    White Body Black Button    <br>Operational Range    Up to 10m    <br>Transmit Power    +5db max    <br>Operating Voltage    3.3V    <br>Operating Current    ＜50mA    <br>Charging Current    ＜300mA    <br>Sleep Current    ＜1mA    <br>Modulation    GFSK    <br>Compatible System    Windows 2000 / XP / Vista / CE / 7， Linux    <br>Battery Type    Built-in lithium-ion battery， 3.7V 800mA    <br>                                                            Package Includes            1 x Mini Keyboard1 x USB Cable1 x User Manual