- Low Capacity Warning: 256MB (0.2GB) Micro SD Card - can only store about 40~80 MP3 songs or 40-200 photos. Cannot support video recording functions (e.g., Dash-Cams), but can store pre-existing video files. - Compatibility limitations: Class 4 speed (W/R: 4MB/6MB) with small capacity, only applicable to MP3 players, electronic scales and other ultra small file storage devices, and does not support modern smartphones /cameras /dash-cams /game consoles - Confirm requirements before purchase:Please confirm that your device supports a capacity of 256MB or less! Most new devices require at least 8GB of storage space - Examples of applicable scenarios: Ideal use: Expansion of old phones, text storage for e-book readers, backup of industrial equipment configuration files - Quality Commitment: High stability industrial grade flash memory, 100% H5 testing Features
A) Special for wholesalers, distributors or company use, the more you purchase, the lower unit price.
B) Compatibility - Micro SD Card 128MB-512MB are special for small files and doc, txt files. Maybe too small to save any videos or use in phones.

Capability
1) Micro SD Card 1GB and 2GB 4GB are with Class 4 and Class 6 speed, suitable for old phones/android tablet pc/computers.
2) Micro SD Card 8GB 16GB are with Class 10 / U1 high speed, additionally support 1080P video recording, digital camera, newer tablet pc, newer cell phone and computer.
3) Micro SD Card 32GB 64GB 128GB 256GB 512GB 1TB are with U3 standard extremely high speed, additionally support 2K(1440P) and 4K(2160P) video recording, High speed camera, Switch, DVR etc.