[DETAIL] Description: 1.SD Card 2.Plug and play (no software needed) 3. SD Card format,High-speed read and write 4.4GB,8GB,16GB,32GB,64GB Storage Size 5. Suitable for camera, not for mobile phone 6.Operating Temperature -13ordm F to 185ordm F (-25ordm C to 85 ordm C) 7.Storage Temperature -40ordm F to 185ordm F (-40ordm C to 85ordm C) Warm Tips ( 2.0USB reader Test Result) : 4GB-Class 6-SDHC 8GB/16GB/32GB-Class 10-SDHC 64GB-Class 10-SDXC Class 6: Read speed around 15-20MB/S ,Write speed around 6-8MB/S Class10: Read speed around 15-30MB/S ,Write speed around 9-12MB/S The SD card speed is based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. SD card speed is greatly affected by card reader, adapter, USB port etc. Low quality device will 100% slow down card speed. Hardware Features: Original high quality flash memory Manufactured in Taiwan Assembled in China About capacity: · 128MB=approximately 110MB-120MB · 4GB=approximately 3.6GB-3.8GB · 8GB=approximately 7.2GB-7.6GB · 16GB=approximately 14GB-15GB · 32GB=approximately 28GB-30GB · 64GB=approximately 58GB-60GB · 128GB=approximately 110GB-120GB · 256GB=approximately 228GB-236GB · 512GB=approximately 440GB-460GB This is calculation difference between manufacturer and our PC,just for you reference. Package included: 1 X SD Card 1 X box [ATTRIBUTES] - Hign-concerned Chemical: None - Application: Camera - Application Performance Class: A1 - Hign-concerned Chemical: None - Application: Camera - Application Performance Class: A1 - Video Speed Class: V10 - UHS Level: U1 - Class Level: C10 - Package: Yes - Type: SD Card - Brand Name: NoEnName_Null - Origin: Mainland China