A Bulb to light up !
iphone virtual Light bulb let you switch on at your finger tip and control the brightness simply.
At night or in dark condition, it can help you finding your keys in your bag or drawer ,supporting finding seat number in theater!
Feature:
>Touch the right side of the bulb to increase the brightness and left to decrease.
>Eight levels of brightness can be adjustable.
And it is a light bulb giving free !!!