Volkcam Class 10 MicroSDHC TF Memory Card (32GB) Size name:32GB   About capacity: 4GB=approximately 3.6GB-3.8GB 8GB=approximately 7.4-7.6GB 16GB=approximately 14.4GB-14.8GB 32GB=approximately 28.5GB-30GB 64GB=approximately 58.5GB-60GB This is calculation difference between manufacturer and our PC; please Google 'Memory card capacity' to get more information. Package : 1 X Memory Card