CTA Digital Table Tent Power Station 20,800 mAh for Bars/Restaurants PHONE/TABLET CHARGE STATION - perfect for bars, restaurants, coffee shops, and more! 4 SIMULTANEOUS CHARGES - charge up to 4 devices simultaneously with the built-in Lightning cable, built-in Micro USB cable, and 2 USB out ports DISPLAY YOUR CUSTOM CONTENT - advertise your daily specials or cocktail menu in the sleeves on both sides LED BATTERY LIFE DISPLAY - monitor the power station's battery life with 4 LED lights; recharges with included AC adapter LONG LIFE AND FAST CHARGES - 20,800 mAh battery