What card is on BBK learning machine e900?

Tf card: also called T-Flash card, full name: TransFLash, also called Micro SD, developed by Motorola and SANDISK***, and launched in 2004. It is an ultra-small card (11*15 *1mm), which is about 1/4 of the SD card, so it can be regarded as the smallest memory card at present.

TF card can be used as SD card after SD card converter. Adapters can be used on devices that use SD as storage media. TransFlash is mainly developed for camera phones, which are used to shoot large images and download large video clips. TransFlash card can be used to store personal data, such as digital photos, MP3 players, games, mobile phone applications and personal data. , and also built-in copyright protection management system to protect downloaded music, videos and games. In the future, the new TransFlash will also be equipped with encryption function to protect personal data, financial records and medical care documents. The compact TransFlash allows the manufacturer to adopt this design without worrying about the size of the mobile phone. Another flexible application is that the supplier can replace it according to the different needs of customers at any time before delivery, which is an advantage that embedded flash memory does not have.

MicroSD card is a very small flash memory card, and its format originated from the creation of SanDisk. At first, this memory card was called T-Flash, and later it was renamed TransFlash. It was renamed microSD because it was adopted by SD Association (SDA). Other memory cards used in SDA include miniSD and SD card.

It is mainly used in mobile phones, but because of its small size and increasing storage capacity, it is used in GPS devices, portable music players and some flash drives.

Its volume is15mm x11mm x1mm, which is almost the size of a finger. It is the smallest memory card at present. You can also connect to the SD card slot through the SD adapter card. At present, the MicroSD card provides the capacities of 128MB, 256MB, 5 12MB, 1G, 2G, 4G, 8G, 16G and 32G.

Detailed description:

◆ The volume is about half that of a SIM card, and it is equipped with a copyright protection management system, which is suitable for various multimedia applications.

◆ With the adapter, it can be used on digital products with SD card slots.

◆ Size:11mm *15 mm *1mm.

◆ Applicable models: MOTO E398, V8, V635, V360, A780, A840, A 1000, E770, MS400, V10, v 980/ Samsung M339, M329.

TF card capacity has the following kinds:

32G 16G 8G 4G 2G 1G 5 12M 256m 128m

It can be used on mobile phones, but the disadvantage is that the writing speed is slow.