Never wake up to a dead smartphone again when you have the Sandman 4-Port USB Charging Alarm Clock. Producing the time in a digital format, this clock has four different USB ports so you can plug in your smartphone, tablet, or any other USB-charging device. All of the ports of the 4-Port USB Charging Alarm Clock are located out of the way on the back so the front remains unobstructed. The integrated cable management system also allows you to keep your nightstand organized. Designed for optimized sleep, the 4-Port USB Charging Alarm Clock uses automatic brightness adjustment to keep the numbers from getting too bright at night. And, you can truly rest assured as this alarm clock has a backup battery in the event that the power goes out so your alarm will still go off.