20 Pack 4GB USB Flash Drives in 5 Random Colors USB 2.0 Wholesale (20 Pack, 4GB)

Features:
Housing material: aluminium and plastic.
Colours: multicoloured case + silver cover.
Size: 57 x 19 x 11mm (folded)
Weight: 9g/pcs
Chip: Grade A, Original Brand Flash Memory Chip
Speed: Write speed: 6MB/S-8MB/S; Read speed: 15MB/S-18MB/S.
Interface: USB 2.0, backward compatible with USB 1.1
Durability: 50,000 times reading and writing.
Operating System: Windows XP, 2000, Vista, 7, 8, 8.1, 10, NT Linus, Mac OS 10.4 and above
Operating Temperatures: 0° C to 60° C
Storage Temperatures: -4º F to 185º F (-20º C to 85º C)
Default format: FAT32 (could be formatted to FAT | exFAT | NTFS).

Note:
1. The actual available capacity of the small USB flash drive is a little smaller than what we listed, due to different calculations between computer and manufacturer:
Computer: 1MB = 1024KB, 1GB = 1024MB
Manufacturer: 1MB = 1000KB, 1GB = 1000MB
And a space reserved for the stability of the main control and the service life of the flash memory is drawn.
Actual capacity of
128MB approximately 106-121MB
512MB approximately 480-505MB
1GB about 950-970MB
2GB about 1.7-1.8GB
4GB about 3.5-3.7GB
8GB about 7.3-7.6GB
16GB about 14GB-15GB
32GB about 29GB-30GB
2. Do not take out the USB flash drive while reading or saving data. The interruption may damage the data or damage the USB flash drive.

Tips:
1. Do not directly operate the files on the USB flash. It is better to first copy the files to the computer to operate and then copy back to USB flash after operation.
2. To extend the life of the USB flash, it is better to connect the USB flash drive after operation as soon as possible.
3. Before removing the USB, remove the symbol on the bottom right of the PC screen to prevent files from being lost on the plate.
4. Do not format the USB frequently, it may damage the USB flash.