Specifications Material: Aluminum Alloy+Plastic Card Slot: SD / Micro SD(TF card) Support Memory Card: SDXC, SDHC, SD, MMC, RS-MMC, Micro SDXC, Micro SD, Micro SDHC Card and UHS-I Cards. Connector: Type C(USB C) / USB 3.0 / Micro USB Support System. Windows 10/8/7/Vista, MAC OSX. PC, Android tablets/cellphones(with OTG function),