Because computer algorithm is different from U disk capacity of the algorithm,computer algorithm 1GB=1024MB ,but U disk capacity of the algorithm 1GB=1000MB,so The actual amount of memory to 4GB (3.65GB to 3.8GB), 8GB (7.40GB to 7.55GB), 16GB (14.8GB to 15.1GB), 32GB (29.2GB to 31GB). Read and write speed :3-6m / s, read speed: 18m / s (transmission speed over a certain relationship with the use of computer configuration.)
USB Flash Disk*1+Protection bag*1
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