1. Cheaper price and reliable memory stick. Our 4-piece USB flash drive is the cheapest USB flash drive on the market. ^ 2. Compatible and compact USB 2.0 flash memory sticks are compatible with operating systems such as Windows 2000/7/8 / 8.1 / 10 / Vista / XP / 2000 / ME / NT Linux and compatible with USB 2.0 and lower.^ 3. Capacity difference factory capacity computer capacity. The factory capacity of 32 GB is as follows: 1 MB = 1000 KB, 1 GB = 1000 KB.^ 4. Warm reminder. The standard 16g storage format is NTFS / exFAT. If you are using the format on the memory card (including the camera), you will need to transfer the format. The read / write speed depends not only on the faulty USB storage device^ 5. but also on the computer environment such as the system,and files. Obviously, the reading speed of a 48MB file is faster than that of a 48GB file