Note: Do not force a card into the wrong slot.
Look at your memory card and match it to the correct slot on the Vivitar reader. how to use vivitar card reader
To use a , connect the device to your computer or phone's USB port, insert your memory card into the corresponding slot, and access your files via your device's file manager . Most Vivitar models are "plug-and-play," meaning they do not require additional software to function as basic storage drives. Basic Setup Instructions Note: Do not force a card into the wrong slot