The Class 4 Micro SD Card is a small flash memory card. It is made to meet the storage needs of many portable devices. It is a member of the Secure Digital (SD) card family. It is known for its "Class 4" performance rating. This rating signifies a minimum sustained write speed of 4MB per second. This makes it good for apps that do not need high-speed data transfer. These apps include storing everyday photos, music, documents, and apps.

• Speed: 4MB/s by Write, 10-15MB/s by Read
• Capacity: From 128MB to 32 GB(it comes in a range of capacities from a few hundred megabytes to 128GB or more. It meets different storage needs.)
• Compatibility: It is compatible with most modern devices. They support Micro SD cards, ensuring many uses.
• Durability: It is built to withstand the rigors of daily use. This includes temperature changes and physical shocks.
• Versatility: It is ideal for many uses, from backup to infrequent data transfers. It is for uses where fast writing is not a priority.
• Price: Offers an economical storage solution, with prices varying based on brand, capacity, and additional features such as water and shock resistance.
• Technical Specifications: Beyond the Class rating, these cards may also have other specs. For example, they may have UHS (Ultra High Speed) classification. This indicates support for faster data rates.
• Brands and Models: The market offers a plethora of Class 4 Micro SD cards from various reputable brands, each with its unique selling points and price points

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 Bulk Class 4 Micro SD Card 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 Class 4 Micro SD Card 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.

Class 4 Micro SD Card Wholesale are perfect for giveaways or company ads, as if you are strict with the cost, low capacity Micro SD Cards will be good option for logo printing. Class 4 Micro SD Card Wholesale are good for low-end devices. As the performance of them is normal, then there will be no necessary to take high speed SDHC or SDXC cards for these devices. Some Micro SD Card Class2 and Class4 are using SLC solution, the quality of them is very stable, and lead long life circle. So you could check about the solution before purchase.