ITEM NAME:3x USB To USB Adjustable Output Module DC Voltage Converter Pcb 5.5*1.6mm New Descriptio n Description: This is a dc-dc voltage converter module, use must pay attention to: 1. The input voltage cannot be greater than the maximum input range 2. The output power should not exceed the maximum load for a long time 3. The input power must be greater than the output power because?6?7?6?Power consumption of the module itself Product specifications: Input voltage 3 ~ 6V, output 6 ~ 15.5v Maximum input current: 1.4a Long-term job current: 1A Conversion efficiency: 79-90% Input: USB male interface, DC 3-6v Output: USB female interface, DC 6-15.5v If input DC 5V, output 6-15.5v adjustable Power: Max. 7W The dc-dc Boost module works at 1.0MHZ Working environment temperature: -4~ +85℃ Specifications: Material: PCB Color: picture color Size: 5.5*1.6mm Weight: 0.024 kg Package Included: 3pcs* dc-dc booster power panel Whatever the ending's perfect or not, you can't disappear from my world 3x USB To USB Adjustable Output Module DC Voltage Converter Pcb 5.5*1.6mm New.Specifications: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.