Jaster | High Speed USB3.0 128GB Mini Metal Memory Stick 64GB Business Gift USB 3.0 Flash Drive 32GB White Pen Drive 16GB Memory Stick 8G

High Speed USB3.0 128GB Mini Metal Memory Stick 64GB Business Gift USB 3.0 Flash Drive 32GB White Pen Drive 16GB Large Capacity Memory Stick 8GB  Waterproof U Disk 4GBFeatures:●Durable data storage: 4GB/8GB/16GB/32GB/64GB/128GB/256GB.●USB 3.0 high-speed data transfer performance.●USB flash drive design: Small and portable.●Plug and play: No need drive/power supply only plug in.●Compact: Wood cover design can protect the connector.●A-class chip: Can be erased repeatedly for 100,0000 times.●Operating system: Windows 98 / ME / 2000 / XP / Vista / 7 / 8 / 10, Mac OS 9.X, Linux2.4 or above.●Writing speed: 10 Mb/s – 20 Mb/s. The rate of performance depends on the different operation system available and various flash adopted, so the speed maybe different.About capacity:4GB = approximately 3.6GB-3.9GB8GB = approximately 7.4GB-7.8GB16GB = approximately 14.2GB-15GB32GB = approximately 28GB-30GB64GB = approximately 58GB-60GB128GB = approximately 110GB-120GBVendors are using Flash memory decimal arithmetic: 1 MB = 1000KB, 1G = 1000 MBCalculated, operating system with binary arithmetic: 1 MB = 1024KB, 1 GB = 1024 MB;So there are some differences between display capacity and nominal capacity of flash memory products.