Product name: USB red and black clip cable. Material: Copper wire,PVC. Color: red ,black. Maximum input voltage: 5V . Maximum input current: 5A. Connector type: A: USB male plug and USB female plug B: Positive and negative crocodile leather test clip. Size: Length of connection cable: 50cm/19.7inch. Package Contents：1 USB male clip cable+1 USB female clip cable Testing Usage:bidirectional alligator clip to USB test leads can quickly convert any DC power source into a USB power source, and the USB power source can be quickly connected to any 5V device through the alligator clip.