- OTG card reader for direct data exchange between memory cards and smartphones, tablets, as well as PCs and laptops - Compact OTG card reader for all common SD card formats such as SD/SDHC/SDXC and microSD/microSDHC/microSDXC - Universally applicable thanks to the combination of USB Type-A connector and USB Type-B micro connector - USB Type-A connector for PCs and notebooks - USB Type-B micro connector for smartphones and tablets - Especially suitable for smartphones and tablets with Host/OTG function thanks to USB micro Type-B connection Operating system: Windows 10/8/7/XP and MAC OS 9.x or higher - Smartphones and tablets with host/OTG function and Android operating system from Android 4.0 and micro-USB interface Consumer Advice: - Never use both connections at the same time. To avoid problems, only use cards formatted as FAT32/exFAT. Consult the manufacturer's product information to determine if your device is compatible with OTG. The user manual for the card reader can be found at www.hama.com under article number 00181056.