| manufacture | MRT |
| Flash Type | MLC and TLC |
| Weight | 0.33g |
| Speed | 15-20MB/s by Write, 50-70MB/s by Read |
| Disk system | FAT32 |
| Photos in 10MP | Can store nearly 4500 photos |
| HD video at 1080p | over 4 hrs |
| MP3 format at 128kbps | Up to 4000 songs |
| Operating Temp | 0 to 60 °C (recommended) |
| Controller Brand | AS, Toshiba, Kingston, SMI and AK. |
| Controller Model | SM2685, SM2703, AS 2689, AK2703, AK2689 and AS2703 |
| 3LC Code | Available for CPRM |
| Flash Brand | Toshiba, Samsung and Micron |
| Warranty | 5 Years |
| Package | 50pcs per tray. Standard Packing: Bulk Package |
| Customized Service | Support Customized chip, CID registers, Logo printing and Package |
| Recording time | For 1080p Full HD, it can support 121 mins per 1CH. For 2K QHD, it can do 69 mins per 1CH. |
| Standard | SD 2.0 |
| Shipping Time | 3 - 5 days |
Micro sd cards print area

Quality Gurantee
MRT aims to manufacture durable and reliable NAND flash storage, the tests we proceed for memory products are rigorous, precise, and scientific. Normally, we adopt H2test, ATTO Test, and reliability test, these testing process can guarantee the products we produce reaching 5 years warranty. MRT build advanced power-off reliability technology, it is positively avoiding data corruption in operation. To make sure good reliability and wide compatibility, MRT also has aging testing, the goal is to deliver better performance and data retention.
Testing we have for Micro SD 16GB UHS-1

Reliability test result:
Micro SD 16GB UHS-1 Datasheet

























alejandro –
We had compatibility concerns with our older GPS devices, but the MRT team provided excellent pre-sales support. They tested sample cards on our specific device models and confirmed full compatibility before we placed the bulk order. The 8GB Class 6 cards work flawlessly across all our GPS units and baby monitors. The consistent 10MB/s write speed (exceeding the Class 6 standard) ensures smooth video recording without dropped frames. Highly recommended for industrial applications requiring reliable, long-term supply.