Charging mobile phone, MP3,MP4,CD,Radio as well as the digital camera etc. Description ... power for various types of Mobile Phone, MP3 MP4 & CD player,Radio, Digital Camera,etc. Its a handy and useful device ... when you are in need of backup battery 2. Quick charger under direct ... : "5.8V", "4.9V","LED",,"OFF" 5.It's built-in bright LED light can also be used as a torch ...