Product Name: Phone Memory Card 8GB 128GB SD Card 16GB 32GB 64GB Memory Stick USB Pen Drive TF Card Model NO.: TF-072 Speed Grade: Class 10 Installation: External Card Slots: Single Interface: USB Memory Card Application: Portable Computer Type: Micro SD Card Capacity: 64GB Trademark: OEM, ODM Transport Package: Poly Bag, PP Box, Paper Box, Blister, Tin Box Specification: CE, FCC, Rohs, SGS Origin: China HS Code: 8471709000 Product Description Professional Supplier of Memory Card /TFFive year warranty!!!We only sell FULL CAPACITY! FULL CAPACITY !FULL CAPACITY!!!100% Real and Full Capacity .C4 =Class4 =Minimum 4M or more writes per second.C6 =Class6 =Minimum 6M or more writes per second.C10 =Class10 =Write 10M or more minimum per second.Full Capacity card:4G universal card available 3.69GB, write about 6MB /S8G speed card available 7.20GB, write about 6MB /S8G high-speed card available 7.41GB, write about 12MB /S16G speed card available 14.4GB, write 6MB /S or so16G high-speed card available 14.4GB, write about 12MB /S32G high-speed card available 28.9GB, write about 12MB /S64G high-speed card available 58.2GB, write about 12MB /S128G high-speed card available 115GB, write about 12MB /SWorking time:24HoursFree service:Free engraving LOGO(More than 500pcs)Free screen printing LOGO(More than 500pcs)Free uploads (mp3, mp4, video, docs)(More than 500pcs)