... ,safe, fast charge 4.FCC,CE,RoHS 4000mAh portable power bank with CE, FCC, RoHS Accessories:6pcs connectors (Mini USB, Micro USB, Apple, ... yearApplication1-5V digital products(mobile phone,MP3,MP4,digital camera,bluetooth earphone...)User Guide1.Charging for devices1)Using date line ... power. How many lights on show how much remaining power.2.Charging the power bank1)When charging, the power indicator ...