1. Why the micro sd card real capacity is not correct capacity? Flash memory vendors are using decimal arithmetic: 1mb = 1000kb, 1g = 1000mb calculated, but the operating system is using binary arithmetic: 1mb = 1024kb, 1gb = 1024mb. About capacity: 128mb(is a very small capacity) 16gb=approximately 14gb-15gb 32gb=approximately 28gb-30gb 64gb=approximately 58gb-60gb 128gb=approximately 118gb-124gb this is calculation difference between manufacturer and our pc, please google 'memory card capacity' to get more information
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4.Capacity 8gb-128gb/ for your choice
5.Speed rate: class 10
6.Application: smart phones, cameras, tablet pc,dash cam and other smart devices
compatibility: microsdhc and microsdxc supporting host devices
7. Package contents: micro sd with full retail package*1