Features:

Want to save space on your mobile device by running apps from a memory card? Transcend's microSDXC/SDHC 300S cards are the right choice! Compliant with the latest speed class, the cards boast excellent random read/write speed, perfect for retrieving small pieces of data from random locations and speeding app launch time.

Specifications:

Dimensions (Max.): 11 mm x 15 mm x 1 mm (0.43" x 0.59" x 0.04")
Weight (Max.): 0.4 g (0.01 oz)
Capacity: 64 GB
Flash Type: TLC NAND flash
Operating Temperature: -25°C (-13°F) ~ 85°C (185°F)
Operating Voltage:2.7V ~ 3.6V
Speed Class 
-UHS-I U3
-UHS-I U1
-Class 10
V30
A1
Read Speed (Max.): 95 MB/s
Write Speed (Max.): 45 MB/s
Insertion/Removal Cycles: 10,000
Certificate:CE/FCC/BSMI
Warranty: 1-year Limited Warranty

Note: Speed may vary due to host hardware, software, usage, and storage capacity.

Package Content:

1x TRANSCEND TS64GUSD300S 64GB UHS-I U1 microSD w/o Adapter (microSDHC I, C10, U1)