Features 5V to 9V 12V: DC boost is DC3.5. The standard DC port is mainly used for the conversion voltage of USB to DC, 5V to 9V 12V. Convenient and Practical: Digital USB boosting line can be powered by a power bank and 5V power supply, which is very convenient and practical. Digital Display Function: The USB boosting line uses the digital display function, which can provide great convenience for your use and operation. Compact Shape: The boost line has a compact shape, lightweight and portable characteristics, without occupying space, you can place it anywhere. Wide Application Range: USB to DC boost has a wide range of use, suitable for applications such as optical modem, wireless router, and other devices. Specification: Item Type: USB to DC Booster Cable Material: ABS Color: Black Interface Type: USB to DC Input Voltage and Current: 5V 1.5-3.5A Output Voltage and Current: 9V/2A 12V/1.5A Cable Length: Approx. 0.8m/2.6ft Package List: 1 x USB to DC Booster Cable 1 x Covereter Head Note: The input current must be greater than the output current (+1A). Package List 1 x USB to DC Booster Cable 1 x Covereter Head