EACHTEK Micro SD Card Reader with OTG - Reads MicroSD Cards & TF Cards, Both USB & Micro USB Ports, Plugs to PCs, Macs, OTG Smartphones and Tablets Easily transfer music, video, pictures and documents to your Android smartphones or tablets with OTG function Compatible with PC, Mac computers or OTG smartphones & tablets and supports transfer rate up to 480 Mbps Supports up to 64GB Micro SD memory card Includes EACHTEK 1-Year Standard Warranty and Support