1. USB 3.1 data transmission speed is 5Gbps, allows you to read 2 memory cards and USB 3.1/2.0 simultaneously, supports a maximum of 128GB TF card, super lightweight and compact size for portability. Fast download files from your USB storage or cards to mobile phone, tablet, laptop, or computer, ideal for uploading and sharing photos and videos quickly with friends 2. Compatible with SDHC, SDXC, Micro-SD, Micro-SDHC, Micro-SDXC cards. Compatible with USB-C devices such as 2015/2016/2017 models, Pro 2017, Pro, Pro 2017/2016, Galaxy S10/S9/S8/S8 Plus/S9 Plus/Note 8/Note 9, P20/P20 Pro, Chromebook, Pixelbook, Surface Book, Zenbook, XPS13/15, and other USB-C devices. 1 standard USB 3.1 port (backward compatible with USB 2.0/1.1) for flash drive, U disk, hard drive, keyboard, mouse, printer, etc 3. No need to download apps, plug and play. Quickly transfer FAT32 format data files from your TF card to compatible Type-C devices, helping free up storage space anytime 4. USB-C smartphones or other USB-C devices must support OTG function 5. Devices with USB 2.0 will operate at 480Mbps. Ensure your card is formatted in FAT32; if not, back up files and format to FAT32, as most smartphones cannot recognize NTFS file systems Specification: Name: 3 in 1 Type C Card Reader OTG HUB Adapter Interface: USB/TF Color: White Material: ABS Size: 50 x 40 x 12.7mm Package Contents: 1 x Type-C converter Only the above package content, other products are not included Note: Lighting and different displays may cause slight color differences between the image and the actual item. Measurement may vary by +/- 1-3cm