Micro SD in bulk is the basic type of wholesale memory cards. It is the earliest version of Micro SD family, this type refers to the low capacity and normal speed; it ranges from 128MB to 2GB, and the speed starts from class 2 to class 6. Most low-end equipment, phones, Mp3, Mp4 and cameras adopt these cards.
Micro SD Card always represents low cost. As it is the 1st generation of micro SD group, in other words, cards in this type are all basic models. The capacity of it can be as small as 128mb, which was big enough to load decades of songs in 10 years ago. The parameter of Micro SD card is following the devices launched in early times, that’s why the capacity is smaller and the speed is slower.
Although Micro SD in this version is not the advanced one, the demands of it in the market are still high. As these bulk Micro SD cards are cost-efficient, the expense on purchasing them is less. As if your devices can read micro SD cards, all of this type will be workable.