Original SanDisk Ultra Fit 3.0 USB Flash Drive 16GB, 32GB, 64GB, 150MBS USB Stick
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100% Brand New!
Capacities: 16GB, 32GB, 64GB and 128GB
microSDHC/SDXC card dimensions: 0.43" x 0.59" x 0.039" (11mm x 15mm x 1mm)
SD adapter dimensions: 0.94" x 1.26" x 0.08" (24mm x 32mm x 2.1mm)
Performance: Class 10 UHS-I: 10MB/s minimum data transfer rate
Operating temperature: -13°F to 185°F (-25°C to 85°C)
Storage temperature: -40°F to 185°F (-40°C to 85°C)
About REAL Capacity
4GB = about 3.2GB-3.8GB
8GB = about 7.4GB-7.6GB
16GB = about 14GB-15GB
32GB = about 28GB-30GB
64GB = about 58GB-60GB
128GB = about 119GB-120GB
This is calculation difference between manufacturer and your PC,
please Google 'Memory card capacity' to get more information.
For your reference
Your PC says 1GB = 1.073741824 Billion bytes where Market Defines 1 GB = 1.00 Billion bytes.