The Lexar Professional Workflow HR1 4 Bay Card Reader Station XR2 UR2 SR2 Power Caps is a high-quality card reader designed for professionals who work with multiple memory cards. It is compatible with MicroSD and SD memory cards, making it a versatile option for a variety of devices. The 4 bay design allows for efficient and organized storage of multiple cards, while the power caps ensure that your cards are always charged and ready to go. Made in the United States, this card reader is a reliable and durable accessory for anyone in need of a high-performance solution for managing their memory cards.( This item was untested by me and sold as is.)