DOYOUNG USB 5V to 1.5V/3V/4.5V Converter Step Up USB Converter Step Up Converter Line

Features: 100% brand new and high quality. Replace AA AAA battery power supply cord. This eliminates the need for 1.5V AA AAA batteries. Suitable for electric toy Thermometer Clocks Calculator power remote controller wireless mouse keyboard Walkman and more devices Input USB 5V output DC 1.5V 3V 4.5V(optional)but this cable can not use to charge battery. Output 1.5V Replace 1 AA battery Output 3V Replace 2 AA battery Output 4.5V Replace 3 AA battery. Power supply from USB charger power bank car charger and more USB adapter. Black cable is - Red cable is + Color: Black Material: Plastic Power Cable length: 103cm Input: USB DC 5V 2A output: DC 1.5V/1.5Amax 3V/1.5Amax 4.5V/1.2Amax(optional) Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors the picture may not reflect the actual color of the item. Thank you! Package includes: 1x DC 5V Step-down Power Supply cable