STmagic USB3.0 Flash Drive Type C Dual Pendrive 64GB/32GB/128GB Metal Type A OTG MINI Memory Usb Stick for SmartPhone

Speed Read Speed : up to 120MB/S. Write Speed : up to 40MB/S. Speed depends on host device, interface, usage conditions and the type of your device.

Feature: Support System: Windows 7,8,10.11 Mac OS: 10.3 and above. Support Device: Smartphone with OTG Function/Computer/Laptop/TV/TV Box/Car Media Player and etc. About use：Plug and play (no software needed)/Some smartphones need Adapted App. Interface type: USB3.0/Type-C. Safety: Dustproof,Shockproof,Waterproof. Operating Temperature: (0º C to 60 º C). Storage Temperature: (-25º C to 80º C). Size: 24 mmL x 12 mmW x 5mmH/6g net weight. In Package: USB Flash Drive*1

About the capacity on PC. 32GB  Approximately 28GB-30GB 64GB  Approximately 56GB-60GB 128GB  Approximately 115GB-119GB 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.