The LED-21 18-Watt Self Powered Smart Phone Light by Bescor is a great way to maximize your smartphone's flash capability, especially when taking numerous photos or photos of groups or large areas. With over six times the power of your phone's LEDs, the LED 21 is not only up to the task but provides 60 minutes of light on a 1.5 hour USB charge, while eliminating drain on the phone's battery. The LED-21 works with an iPod, iPad or any other device equipped with a standard headphone jack without interfering with the audio output of the device.