Method of use is to use Power has sufficient power situation, the key to press to open the speaker began to play off words, sensor light starts flashing, release the button either. Shutdown turned on, press and open to the speakers start playing off key words, sensor light starts flashing, release the button you can. Volume control Gently press and hold the volume control button, slide up and down to select the appropriate volume level. Click here to read method The correct way of reading is: pen position, holding book page clicks, and as far as possible perpendicular to the page. Note: Click on the residence time not too long, otherwise the point of time T will be repeated pronunciation. sensor head for precision electronic structure, click on the page when lightly touched. Power with a built-in lithium battery. Simply insert one end of the fuselage USB charging power supply connector and the other side access 220v power outlet, two hours to fully charged; or body with USB data cable connected to the computer, while charging the download side. Memory Card the large capacity built-in 2G memory card, can be mass included hundred of kids favorite books audio files.