ITEM NAME:3 x USB To USB Adjustable Output Module DC Voltage Converter Pcb 5.5*1.6 SHM.Material: PCB. Output: USB female interface, DC 6-15.5v. Input: USB male interface, DC 3-6v. The input power must be greater than the output power because?. Power consumption of the module itself. If input DC 5V, output 6-15.5v adjustable.
