Kindly Note1) For Flash Media Devices, 1 megabyte = 1 million bytes; 1 gigabyte = 1 billion bytes. Actual useable capacity may vary. Some of the listed capacity is used for formatting and other functions, and thus is not available for data storage. 2) Up to 30MB/s read speed, write speed is lower. Based on internal testing; performance may be lower depending on the host devices and users settings and configurations.Plug and Play, No Application Required, Instantly Increases iPhone and iPad Memory SpaceIf you almost used up all space on your iPhone or iPad, this photo stick for iPhone helps to expand your memory at full storage with 512GB. And usb memory stick for photos is also a great partner for traveling photographers editing on iPad. Using this memory device for your iPhone, iPad or Computers, no worries with the iPhone storage anymore!Reliable After-Sales ServiceExperience the convenience of high-quality USB memory stick and enjoy our premium customer service at the same time. For the phone flash drive, if you have any questions, we are willing to provide help. (Note: The phone case may prevent the proper connection between a phone and a usb flash drive, which could result in the phone being unable to recognize the usb flash drive. In this situation, please do not conclude that the usb flash drive cannot be used, remove the phone case and try again)Multi-Interface USB Stick DeviceThis iphone photo transfer stick features USB-L/USB-C/USB interfaces (with separate adapters), facilitating easy data transfer between different devices. No longer reliant on data cables, iTunes, or iCloud, you can securely store important files, photos, and other data. Never worry about running out of iPhone storage space againyou can also back up your files to a computer via the USB port for added security, and access and share them anytime. (For iPhone/iPad: System Version Requires iOS 13 or Higher. For Android smartphones: Need to open OTG function)High Transfer SpeedTransfer photos, videos, and files in seconds with our USB stick. With a write speed of up to 20 MB/s and a read speed of up to 30 MB/s, our flash drive for iphone have higher performance than conventional usb storage flash drive. Save time and get more done with iPhone photo storage stick. Enjoy the whole relaxing trip with never stuttering or buffering video play on the go. (Tip: No Third-Party Apps Required, Simply insert the flash drive into the iPhone iPad and go to "Files" app)How to transfer in Android PhonesAndroid phones need to support OTG, and flash drives can be found in the File Manager of most Android devices.Watch Movies, Photos and Play Music Directly From Phone Flash DriveStore your favorite videos, audios and music on your iPhone's Photo Stick, then seamlessly plug and play on your iPhone or iPad anytime, anywhere. No more need for Internet or WiFi. This iPhone storage device plays videos in many different formats. Pictures stored on the Phone storage device also support different formats. Great way to store all your pictures and videos on an phone external storage device.How to transfer in iPhone iPadRequires iOS 13 and higher: Simply insert the flash drive into your iPhone iPad, then go to the "Files" app to find "Untitled" and move files to your iPad or iPhone as needed.