100pcs/lot usb flash memoria stick wholesale pen drive 4GB 8GB usb2.0 flash drive free logo usb disk photography cle usb Gifts

Original price was: $278.60.Current price is: $231.54.


About Logo:

Free Logo
Laser logo is our free service ,and the color cannot be customized.
If you need to customize LOGO, please contact customer service.
●Please send us LOGO within 12 hours after payment done,if not,we will arrange to send out usb without logo.

LOGO can be JPG, JPEG, GIF, PNG, BMP format,limit size to upload on page is 5MB. 


Support USB version 2.0

Hot Plug & Play

USB Service Voltage: 4.5V-5.5V

Environment Temperature: -40°C – +70°C

Storage Temperature: -50°C – +80°C

Storage Lifetime: More than 10 years

Operating System: Win98/ME/2000/XP/ Vista/7 , OS 9.X/Linux2.4

About Capacity:
Vendors are using Flash memory decimal arithmetic: 1 MB = 1000KB, 1G = 1000 MB;
Calculated, operating system with binary arithmetic: 1 MB = 1024KB, 1 GB = 1024 MB;

128MB = approximately 115MB-125MB
256MB= approximately 230MB-250MB
512Mb = approximately 470MB-500MB
1GB = approximately 950MB-980MB
2GB = approximately 1.7GB-1.9GB
4GB = approximately 3.6GB-3.8GB
8GB = approximately 7.4GB-7.6GB
16GB = approximately 14GB-15GB

32GB = approximately 27GB-30GB

64GB = approximately 58GB-60GB

128GB =approximately 110GB-120GB

So there are some differences between display capacity and nominal capacity of flash memory products.

Custom LOGO Show:

About packaging:

Default PP bag packaging

If you need other packaging and accessories, please contact customer service


Company information:


Warm Tips:

1. To avoid data loss or mechanical damage, do not power down your computer or unplug flash disk during transfer.

2. Please do not remove your USB flash drive when it is being used otherwise your data may loss.

3. After using USB flash drive, it is better to remove it as soon as possible. That will help to extend its storage lifetime.

4. Please do not format your USB flash drive frequently, otherwise the USB will be damaged easily.

5. Your devices (such as TVs, car players, radios and other devices that need to recognize U disks) must have the latest USB driver to recognize U disks. Many old school can only recognize U disks below 32GB.

6.If the U-disk can be recognized by Windows computer, but failure of recognized by other devices, then it is the problem is matter with other device not with the U disk, please pay attention, thank you.



We are an honest seller on Aliexpress. All our products are test before shipping. If you have any problem after receiving the products, please contact us immediately. 

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