Fangrui Product Details 1. Richwell 3 In 1 16g Type-c + Micro Usb + Usb 3.0 Metal Flash Disk With Otg Function 2. 3 In 1 (type-c, 8 Pin , Usb 3.0 )flash Drive 3. Installation: External 4. Material: Metal 5. Equipped With Usb2.0 Adapter. 6. Support Manage Data Directly On The Flashdrive. (create, Copy, Move,delete, Rename, Open And So On). 7. Format Support:common Image Format,such As Mp3, Mp4, Mov, Mpeg-4, Flv, Rm, Rmvb And Other Video And Audio Format.maximum Support 1080p.mp4 Video Format. 8. System: Support All Android Phones With Otg Function And Laptops Or Desktops With Usb Port 9. About Real Capacity 10. Capacity Flash Memory Products Are Usually Shipped In Accordance With 1mb = 1000kb, 1g = 1000mb Computing, But The Operating System Using Binary Arithmetic 1mb = 1024kb, 1gb = 1024mb, So There Are Some Differences Between The Display Capacity And Standard Capacity Memory Products.this Is Calculation Difference Between Manufacturer And Our Pc 11. 8gb =approximately 7.2gb-7.5gb 12. 16gb=approximately 14gb-15gb 13. 32gb=approximately 28gb-30gb 14. 64gb=approximately 58gb-59gb 15. 128gb=approximately 115gb-120gb