Applicable type: Smartphone/Computer
Cell phone type: IOS system, Android system, and Windows system
Computer system: not limited
Product Size: 57mm*31mm*9mm
Product capacity: 8GB to 256GB
USB rate (read): 20MB/S-35MB/S
USB rate (write): 12MB/S-21MB/S
Apple interface rate (read): 8MB/S-10MB/S
Apple interface rate (read): 6MB/S-8MB/S

Apple App: i4Smart
Android phone, Windows system phone and computer without APP

Functions are as follows.
1. view photos and videos inside the memory card, play music
Supported photo formats: JPG/PNG/GIF/TIFF/BMP
Supported video formats: MP4/MOV/AVI/M4V/MKV/RM/RMVB/3GP/MPG/FLV/VOB/WMV
Music formats supported: MP3/AIFF/M4A/WAV/FLAC/AAC

2. file management, you can copy/delete/rename files

3. Album backup and address book backup

4. Camera function
Take photos and record videos on site and store them to an external memory card. The photos and videos will be saved to a folder with the name: Camera