8000mAh Power Bank With LED Clock & Advertisement Function

8000mAh power bank with LED clock & advertisement function(computer version) 1.Input:DC 5V1A 2.Output1:5V1A Output2: 5V2.1A 3.Battery conversion efficiency:85% 4.use for mobile phone,tablets etc.Only display clock can keep almost 3 days.Alarm clock will ring every day after you set it eventhough the power bank is turned off. 5.Capacity:8000mAh Li-polymer battery size:7566123*1PCS 6.Case material:rubberized surface treatment process with crystal back case,The backside won't show inside PCB when the screen is turned off 7.Download free software on computer and connect the power bank with micro USB cable can used for change the words that you want to show on the display. Support to show all languages 8.Short circuit,Overcurrent,overvoltage protection,Li-ion battery protection 9.Batteries with MSDS etc approval 10.CE,RoHS & FCC certifications