• Speed Class: 32GB UHS-I U1 Class 10
• Speed Class: 64GB UHS-I U3 Class 10
• Speed Class: 128GB UHS-I U3Class 10
• Size: 0.4 x 0.6 x 0.04 inches (11 x 15 x 1 mm). Weight: 0.4 g

✅Transfer rate: read (max) 100MB/s, 32GB write (max) 30 MB/s transfer speed, 64GB write (max) 35 MB/s transfer speed, 128GB write (max) 45 MB/s transfer rate