Features: USB one to two AA+AAA battery elimination cable 3V, widely used for remote control, LED lights, toy, fans, temperature and humidity meter, etc. Input USB 5V2A, output 3V1A, convenient for use, replacing 2pcs 1.5V+LR6 AA+LR3 AAA batteries. The accessory has 2 green conductors that can be used simultaneously for 1 3V AA device+1 AAA device. USB port, can be powered by a mobile power supply, computer, or USB adapter. With this fake battery elimination cable, when the battery is used up, you don't need to purchase a large number of replacement batteries, which saves money and is environmentally friendly, and you don't need to replace batteries frequently. Specifications: Material: Plastic Cable Length: Approx. 96cm/3.1ft Input: USB 5V2A Output: 3V1A Package Includes: 1 Set USB 5V to 3V AA AAA Battery Elimination Cable note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.