Product DescriptionNotice before useNotice before use1.Please make sure your mobile phone or tablet support OTG function before your purchase, and For certain mobile phones, please go to phone's setting menu and enable ' OTG function' . 2.This USB C to USB Adapter is main designed for transferring data, we do not recommend using for fast charging. 3.The data rate is subjected to the speed of SD card, external hard drive and flash drive. Compatible devicesCompatible devicesLaptops: - Apple 2015 New MacBook 12 Inch - Apple New Macbook 12/13/15 Pro - Dell XPS 15/13 - Google Chromebook Pixel - HP Pavilion x2 - Lenovo Yoga 900 13 inch Mobile phone/Tablet: - LG G5/G6/V20 - HTC 10/ Moto Z (2017)/Lumia 950/950 XL - Google Pixel/Pixel 2/Pixel 2XL - Huawei P9/P9+/P10/P10+ - Samsung Galaxy S8/S8+/S9/S9+/Note8, Galaxy Tab S3/Galaxy Tab A 8.0/TabPro 12, Galaxy Book - other USB-C devices