1)Whenever where you are, no need worry your mobile power off, this charger is waiting there to solve this problem
2)Compact design, easy to hold and carry, you can put it in your pocket, purse, bag, etc.
3)come with a lamp on the top of the charger, can stand the charger on your desk to be used as Table Lamp, and also can be holded on your hand as flashlight
4)Works with one AA battery(AA battery not included)