USB 5V to 3V 4.5V 6V 3A Virtual Elimination Cable Cord USB Converter Wire Line for LED Light Toy Instrument

USB 5V2A to 3V4. 5V6V adjustable voltage 5W3A LR03 fake power supply line. Can replace 2-4pcs 1.5V 3A LR03 batteries. Suitable for various LR03 electronic devices such as toy, razors, desk lamp, fan, remote controls, thermometers, tools, instrument and more. USB 5V to 3V4.5V6V 3A Virtual Elimination Cable Cord USB Converter Wire Line for LED Light Toy Instrument Features: USB 5V2A to 3V4.5V6V adjustable voltage 5W3A LR03 fake power supply line. Can replace 2-4pcs 1.5V 3A LR03 batteries. Suitable for various LR03 electronic devices such as toy, razors, desk lamp, fan, remote controls, thermometers, tools, instrument and more. USB input 5V2A, output 3V4.5V6V 5W, adjustable voltage power supply line, convenient to use. Cost saving and environmentally friendly, no need to frequently replace batteries, can power by charger, portable mobile power adapter and more. The green is virtual and 0V is used as conductor. Before use, the voltage must be adjusted. If the device use two batteries to 3V