High speed interface: USB 3.0 memory stick high speed data transmission, faster than standard USB 2.0 drives, you can transfer a full-length movie in short time.Back up your phone: The usb phone stick works great to back up your phone. Save your videos and photos in photo stick without taking up space on the phone.All the products are checked under Strict Quality Inspection.Easy to operate: Plug and play, no need to install any software, handy to transfer files between PC and android devices. NOTE: If there is not any reaction after the flash drive inserted into the phone, please take off the phone case and try it again.Compatible Devices: 2-in-1 design with a Type-C (USB-A and USB-C ) and USB 3.0 connector, work for such as Samsung Galaxy S10 and above, Samsung Note 9 and above, Samsung Galaxy A9s and above, LG G7, LG V40, Google Pixel 2XL/3XL and above, HUAWEI P10 and above, etc. Not For iPhone. Not for 2018 iPad Pro.