About capacity:-4GB = approximately 3.6GB-3.8GB -8GB = approximately 7.4GB-7.6GB -16GB = approximately 14GB-15GB -32GB = approximately 28GB-30GB -64GB = approximately 58GB-60GB -128GB= approximately 119GB-120GB Specification:1.Hight speed read and write2. we have Capacity: 128MB/1GB/2GB /4GB /8GB/16GB/32GB/64GB/128GB3.Suitable for:MP3/MP4 Player,mobile phones, Cameras and more4.Please notice: 128mb-4GB(Class 6), 8GB(Class 6), 16GB(Class 6), 32G(Class 10)64G(Class 10),128GB(class 10) micro TF card
