Feature:1. 92 key 2.4GHz wireless keyboard with touchpad.2. With Touchpad DPI adjustable function.3. Built in high sensitivity smart touchpad with 360 degree flip design.4. Mini QWERTY keyboard with multimedia control keys and PC game control keys.5. Support automatic sleep and automatic wake mode.6. Innovative style , cute and elegant.7. Ergonomic hand held design is easy to carry and operate.8. Plug and play. There is no need to install software , there is a USB receiver in the battery compartment.Spec:Working range: up to 10mBattery: 2*AAA Battery(Not Included)Transmit power: + 5db MaxWorking voltage: 3.3VOperating current: <50mA(on) , <1mA (sleep mode)Charging current: <300mAColour: BlackSize: Approx. 14*9.5*2cm ,5.51*3.74*0.79inPackage List:1 * Keyboard(No Battery)1 * User Manual1 * USB Receiver