This product is a high-power & high-capacity multi-function solar emergency charger,with built-in high-capacity lithium-polymer rechargeable batteries,the power of solar panels is up to 0.8w.it can be recharged anywhere and anytime for your mobile phones,digital cameras,PDA,MP3,MP4 and other digital products.its luxury appearance,small and compact design,output voltage, that is 3.7V, 4.2V, 5.5V and 9V carry ,show your elegance and fashion.