COD Free Send Adapter+Card Reader+100% Original Authentic Kington Micro SD Card Memory Card Class 10 100mb/s 16gb/32gb/64gb/128gb TF Card for CCTV Dashcam

128 GB 16 GB 256 GB 32 GB 64 GB. Internal Storage 128GB. Type Micro SD. Speed Class Class 10. Capacity: 16GB 32GB 64GB 128GB. read speed: up to 100mb/s. write speed: 10MB/s minimum data transfer. About real capacity. 8GB approximately 7.4GB-7.6GB. 16GB approximately 14GB-15GB. 32GB approximately 28GB-30GB. 64GB approximately 58GB-60GB. 128GB approximately 115GB-120GB. 256GB approximately 238GB-240GB. 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. Tips: How to verify the Capacity and Speed of the memory card?. 1). Please use quaity USB 3.0 card reader to verify all memory card by H2testw on PC. Real memory card should pass H2testw with no error. 2). Please don't use cheap card reader to test Micro SD card, speed of Micro SD card will be reduced by low quality car