Micro Sd Card. Specification: 1.Micro SD Card +retail Package 2.plug and Play (no Software Needed) 3.Micro SD and TF Farmat 4.Capacity : 8GB 16GB 32GB 64GB 128GB 5.Great for Cell Phone ,cameras ,MP3/MP4 Player and More 6.Can Be Used As Micro SD or SD Card 8.100% Satisfaction Guaranteed 16GB/32GB/64GB/128GB is Class10 Tip ( 3.0USB Reader Test Result) : Class10: Read Speed Around 15-20MB/S ,Write Speed Around 9.5-11MB/S Try to Use USB3.0 to Test ,Please Not It Others ,64GB 128GB Micro Sd Cards Try to Use Win7 System or Later ,sometime the Other Systemwill Not Be Test the Cards Successful Package Includes: 1pc X Micro Sd Card 1pc X Adapter 1pc X Retail Package. We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.