The Drum 5000mAh Power Bank with Built-in Cable comes ready to charge almost any mobile device. The cable tip has a jack for USB-C, Micro USB, and Lightning, so you never have to bring a cable with you! With the huge 5,000mAh battery and high quality components, you can count on the Dion to be ready to fully charge your mobile device. The 4 LEDs indicate the current power, so you'll always know when to recharge.