Properties: USB2.0. Micro USB card reader supports SD and TF cards, and the transmission speed is up to 480 Mbps. Compatible with USB activated devices (PC or laptop) and Micro USB Android mobile devices with OTG function. Small and light, easy to carry. Plug and play, hot plug support. standard: Material: ABS Color: black or white Size: 2.48.0.75.0.36 inches (approximate) Interface: USB 2.0, Micro USB for Android phones, 1. SD and MMC slots, 1. Micro SD and TF slots Operating system: Windows 8/7. VISTA or Mac 10.4.6. Support up to 64 GB SD, SDHC, SDXC (without card) It is applicable to Android phones with OTG functions, such as compatible with Samsung Galaxy S6 or S6E (+), S5 only, S4 only, Note 5,4,3,2, Note Edge, compatible with LG G43/2/1, g Pro 1, etc. Package includes: 1. Card reader adapter (excluding card)