The Onn Multi-Port Card Reader is a versatile device that supports various memory card formats such as MicroSD, SD, and Compact Flash. With fast read and write speeds of up to 32MB/sec and 28MB/sec respectively, this USB hub allows for efficient data transfer from your devices to your computer. Compatible with a range of brands and models, including PC, Mac, Android, and more, this card reader is a convenient accessory for those looking to easily access and transfer their data from multiple devices.