Micro SD card 32GB Class 10 U3 90MB/S
Speed:Class 10Type:TF / Micro SD CardCapacity:16GB
Performance:Up to 90MB/s read and up to 40MB/s write speed
Dimensions:0.59in x 0.43in x 0.03in (15mm x 11mm x 1.0mm)
Operating temperature:-13°F to 185°F (-25°C to 85°C)
Storage temperature:-40°F to 185°F (-40°C to 85°C)
16GB = approximately 14GB-15GB
This is calculation difference between manufacturer and your PC, please Google 'Memory card capacity' to get more information.
Your PC says 1GB = 1.073741824 Billion bytes where Market Defines 1 GB = 1.00 Billion bytes.The pursuit of the perfect person is not recommended to buy.