16MB is USB1.0/1.1 interface,Please note their read speed and storage capacity,Avoiding unnecessary return orders,Thank you for understanding !!!
16MB = approximately 13MB-15MB.(Please pay attention to this storage capacity, this is not GB, please make sure you really need it !!!)
USB 2.0:
64MB = approximately 58MB-60MB
128MB = approximately 100MB-120MB
256MB = approximately 220MB-240MB
512MB = approximately 490MB-505MB
1GB = approximately 960MB-980MB
2GB = approximately 1.6GB-1.8GB
4GB = approximately 3.6GB-3.8GB
8GB = approximately 7.4GB-7.6GB
16GB = approximately 14GB-15GB
32GB = approximately 28GB-30GB
64GB = approximately 58GB-60GB (EXFAT format)
Package Included: 5 Or 10 Or 50 PCS Real capacity U Disk.
If you encounter any problems while using the memory stick, please contact me.I will solve the problem as perfectly as possible.Thank !