Memory Card price Features Several solution TF cards stock available both in HongKong and ShenZhen. The write performance is 10-20MB/S, and the read performance is 15-80MB/S Recording of 4K UHD and full HD videos is supported A magnet proof, shock proof, temperature proof, and water proof device Run apps fast & smoothly, support Android Phone 7.0 & above Specifications Product Name: Vicco C10(class10) Micro SD Memory Card Flash Type: MLC or 3D NAND Type Capacity Options: 8GB, 16GB,32GB , 64GB,128GB Socket: Micro SD 2.0 Operating FAQ: 1. What is the difference between TF card and a micro sd card? TF cards and Micro sd cards are different names for the same memory card. 2. What is a good die TF card? A good die TF card or Good die memory card means it uses the grade A wafer and Controller. It鈥檚 the best quality memory card銆?/p> 3. Good die TF cards are the best quality, does it without any issues while using? Although good die memory cards are the best grade TF cards, it still possible to have issue during use, just the RMA rate will be much lower than other quality level goods. According to our experience, the RMA rate is about 3~5pcs per thousand for good die quality TF cards.Memory Card price website:http://www.viccotech.com/memory-card/