Features: AAA Battery eliminator cable with switch, and green one is the 0V placeholder tube, as conductor, no power. Suitable for 3V toy, remote controls, calculator, LED lights, keyboard, Christmas advent calendar display, walkman and more AAA battery powered products. Powered by USB or Type C adapter powerbanks and more. With this AAA battery eliminator cable you do not need to buy lots of replacement batteries when the batteries run out, saving you more hours and money. Compact size, easy to carry, you can put it in your bag, luggage, will not take up too much space, the perfect way to power up for work or travel. Package Includes: 1 Set AAA Battery Eliminator Cable with Switch Specifications: Material: Plastic Cable Length: Approx. 1m/3.28ft Type: Type-C, USB(optional) Output: 3V 1.5A Input: 5V 2A Applications: for 3V Radio LED Light Toy Remote Controls Flashlight Keyboards, etc note: Please allow 0-1cm error due to manual measurement. make sure you do not mind before you order. Please allow slight chromatic aberration due to different display resolutions.