50PCS High Wholesale custom Speed Pen Drive USB Flash Drive 4GB 8GB 2.0 16GB 32GB 64GB 128GB Pendrive metal usb sticks with key

Specifications:

Reading Speed: 10MB/s+

2 years limited warranty

Specification:

* L x W x H = 39 x 12 x 5mm

* Weight: 20g

* Capacity: 1GB/ 2GB / 4GB / 16GB / 32GB / 64GB / 128GB

* Color: Black / Silver / Rose Pink / Gold

* System: Win 98 / ME/ 2000 / XP / Vista 

                 Win 7 / 8 / 10 or Above

                  OS 9.x / LUNIX 2.4 or Above

* Format It Before Using It

What is the real capacity?

Flash memory vendors are using decimal arithmetic:1MB = 1000KB,1G = 1000MB

calculated, the operating system using binary arithmetic:1MB = 1024KB,1GB = 1024MB

About capacity:

128MB=approximately 115.2MB-119.04MB
256MB=approximately 230.4MB-238.08MB
512MB=approximately 460.8MB-476.16MB
1GB=approximately 0.92GB-0.97GB 
2GB=approximately 1.7GB-1.85GB 
4GB=approximately 3.5GB-3.7GB
8GB=approximately 7.4GB-7.8GB
16GB=approximately 14GB-15GB
32GB=approximately 28GB-30GB
64GB=approximately 58GB-59GB
128GB=approximately 115.2GB-119.04GB

This is calculation difference between manufacturer and our PC, please Google 'Memory card capacity' to get more information

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PP bag

paper packaging