With LED indicator light, shows you the level of the mobile power bank Blink one time: 0 percent - 25 percent Blink two time: 25 percent - 50 percent Blink three time: 50 percent - 75 percentBlink four time: 75 percent - 100 percent Lightweight and portable design, very convenient for you to carry out 5V 1A / 1.5A dual USB output Compatible with iPhone 6 / 6S Plus, iPhone 6 / 6S, Samsung S6 Edge Plus, Note 5, HTC and other mobile phones Provides charging cable to recharge the power bank