5pcs Kodak Pendrive K133 USB Flash Drive 64GB 128GB 256GB 512GB USB3.1 Memory Stick Lanyard For Key U Disk High Speed 120MB/s

Read Speed:40MB/S-120MB/S.
Write Speed: 15MB/S-35MB/S.
Speed is depend on host device, interface, usage conditions and the type of your device.Data from Kodak offical website.
Feature:
Support System: Windows 10, 8, 7, Vista, XP / Mac OS 10.4 or higher / Linux 2.6.31 or higher.
Support Device: Computer/Laptop/TV/TV Box/Car Media Player/Android Smartphone(With OTG Function) and etc.
About use: Plug and play (no software needed)
Interface type: USB3.0/USB2.0(Compatible).
Body:Metal Boday.Waterproof,Dustproof,Shockproof, 60°Rotary design, protect the port.with leather lanyard .
Weight:Approximately26g.
Size: 57mm (L) x 16.5mm (W) x 10mm (H)
About Capacity:
32GB Approximately 28 GB-30 GB.
64GB Approximately 56 GB-60 GB.
128GB Approximately 115 GB-119 GB .
256GB Approximately 230GB-238 GB .
512GB Approximately 476 GB .
Vendors are using decimal arithmetic: 1MB = 1000KB, 1G = 1000MB calculated, but the operating system is using binary arithmetic: 1MB = 1024KB, 1GB = 1024MB. So there are some differences between display capacity and nominal capacity of flash memory products.