Product Name: SanDisk TF / MicroSD memory card

Capacity: 16GB class4 high-speed card

Use: used in mobile phones， GPS devices， portable music players and some of the flash memory.

According to SDA Association elaborated， Class is used to describe continuous marking the lowest transmission speed. In the continuous transmission speed 2MB / s above the title CLASS 2， CLASS 4 is a continuous transmission speed 4MB / s or more， CLASS 6 is a continuous transfer rate 6MB / s or more. Currently the highest CLASS10. Need to be reminded that each memory card manufacturers in the use of CLASS degree mark also has its own speed specification standards. CLASS grade main reference value in the case of continuous recording， CLASS4 can use HD 1080P video recording situations. SanDisk SD card， read and write speeds of up theory 15MB / s， but still use the CLASS 4 mark. And some manufacturers， for the commercial purposes， CLASS grade elevation to deceive unsuspecting consumers， the resulting image intermittent visual phenomenon in the video. So when buying SD series， pay attention to the actual read and write speeds of products， but does not want to look CALSS rating.

 

The SD / SDHC compatible card reader and will help ensure that you will convert SDHC format SD format - for our cards and compatible host devices. Storage card is based on SD 2.0 specification is divided in terms of speed and performance level 4 classes. SDHC memory card is a highly secure stamp-sized flash memory card that can be used following a variety of digital products: digital music players， cellular phones， handheld PCs (HPC)， digital cameras， digital video camcorders， smart phones， car navigation systems and electronic books， and in line with SD 2.00 specifications. SDHC card has a security feature for protection of copyrighted data.