Description:
-Compatible with most major mobile devices, with four interfaces: for iPhone connector is for iOS devices; Micro-USB connector is for Android devices; Type-C connector is for Type-C devices.
-For iphone devices must download Free Storage APP Named IUSB Pro.
-Plug and play, lightweight and portable, no driver needed.
-Adding an memory card, round card reader into a flash drive:
1) Manage all your data directly, playback videos music, backup and restore your contact list, document viewer on the device.
2) Take photos and videos at anytime, and save to the card reader with TF card.
3) Share the files on your IUSB Pro using third-party apps such as Facebooks, Twitter and more.
Specification:
Products name: 4 in 1 card reader
Support Card: TF card
Free app: iUSB Pro
For Iphone Read/Write speed: 18MB/14MB/s;
USB 2.0 Read/Write speed: 40MB/15MB/s.
Compatibility: for iOS8 ~ iOS10; OSX; Windows; Linnux.
Compatible Formats:
Movies: .mov .mpg .vob .wmv .rmvb .avi .mp4 .mkv .flv .mpg .gif .rm
Musics: .mp3 .wav .aac .m4a.wma.ape.ogg.ac3.flac
Photos: .jpg .jpg .gif .tif .png .bmp
Documents: .txt .doc .ppt .xls .pdf.xlsx.doc
Product Size: 45x45x7mm
Package Includes:

1 Piece 4 in 1 Card Reader (not include the TF card)
Note:
1. Please do not disconnect card reader during file transfer.
2. Please do not connect both side of card reader at the same time.
3. Please do not use card reader as cable.
4. If for iOS device pops up a message said "this accessory is not optimized for this phone", just disconnect and reconnect again.
5. Please insert your memory card into the device before connect for your iphone or ipad. If your phone case is thick, please take it off before using the device.