This Promaster 3105 SD memory card reader is a USB-A compatible device that is small but mighty fast. It is a reliable piece of equipment that can help transfer data from memory cards to laptops or desktops in just a matter of seconds. Specifically designed for cameras and photo equipment, this card reader is compatible with Promaster brands and is perfect for avid photographers who want to quickly transfer high-resolution photos and videos. Use this memory card reader to easily transfer files from your cameras to your computer without any hassle.