Today’s devices are packed with features that keep us glued to them and chances are, you’re going to need a backup plan to keep your device going when the battery runs low. None of those options are more versatile or better looking than BoxWave's Universal Rejuva Duo.Featuring two high current USB ports for charging smartphones or tablets, a rechargeable internal 5200 mAh Li-ion battery, and a bright digital LED display that shows the remaining power so you’ll never be left stranded. The Universal Rejuva Duo can charge a smartphone and tablet simultaneously, simply plug in your devices when they are running low, turn the charger on, and they will start charging automatically!Whether you're a busy professional who drains your device daily, or just headed off into the woods for a few days and want to keep your devices fresh, the Universal Rejuva Duo has the power to keep you going for days at a time.The Universal Rejuva Duo by BoxWave: A battery backup that's as stylish as it is potent.