Technical specifications: Interface: USB 3.0 female, USB Type-C Material: Aluminum Color: Silver 1. Multifunction: Super Speed Type-C to USB 3.0 adapter (data rate up to 5Gbps); High speed USB Type-C SD / TF card reader (up to 480Mbps). For some Android phones you have to activate the OTG memory function in the settings (e.g. with the OnePlus). 2. compatible plug and play, supports hot swapping, no driver installation required. Compatible with Windows 2000 / XP / Vista (SP2) / 7 (SP1) /8/8.1/10 (32/64-bit), Mac OS X 10.4.x and newer, iPadOS 13 and newer, Android 4.0 and newer, Chrome OS. 3. Simultaneously Read / write to SD or TF card and USB-A devices simultaneously. Compatible with all versions of SDHC / SDXC, micro SD / micro SDHC / micro SDXC and UHS-I cards with up to 256GB storage space. The USB 3.0 port enables the connection of iPhones, iPads, iPods, other USB-A devices. 4. Travel-friendly The type-c card reader adapter is small enough for field work with which you can take it anywhere.