Transcend 300S 16GB MicroSDXC/SDHC Class 10 UHS-I U1 - Without Adaptor A good fit for mobile app storage It's common for users to install and run mobile apps from microSD cards in order to free device memory. Random read/write performance is thus crucial. Transcend's microSDXC/SDHC 300S memory cards are a great fit for storing mobile apps. Introducing Application Performance Class The Application Performance Class was introduced to adopt this new trend. Transcend's microSDXC/SDHC 300S memory cards meet the new A1 standards, delivering minimum random read of 1,500 IOPS and random write of 500 IOPS, and sustained sequential speeds of at least 10MB/s. A1 compliance applies only to 128GB capacity cards. Show the transfer capabilities Transcend's microSDXC/SDHC 300S memory cards meet both the UHS Speed Class 3 (U3) and the UHS Video Speed Class 30 (V30) standards for 4K Ultra HD video recordings, with read/write speeds of up to 95MB/s and 45MB/s respectively. U3 and V30 compliance applies only to 128GB capacity cards. Built for extremes To deliver the best performance and stability, Transcend's microSD memory cards are tested to withstand extreme conditions. Waterproof: meet JIS IPX7 standards that can withstand immersion in 1 meter of water for up to 30

Temperature proof: perform in temperature extremes from -25°C to 85°C. Static proof: meet EMC IEC61000-4-2 standards and withstand static electricity. X-ray proof: meet the ISO7816-1 standard and are immune to airport X-rays. Shockproof: provide excellent shock, vibration, bending and twisting resistance. RecoveRx software Transcend offers exclusive RecoveRx software, a free data recovery utility that allows you to search deep within a storage device for traces of erased files including digital photos, documents, music, and videos. Specifications: - Appearance - 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) Storage: - Capacity: 16 GB - Flash Type: 3D NAND flash Operating Environment: - Operating Temperature: -25°C (-13°F) ~ 85°C (185°F) - Operating Voltage: 2.7V ~ 3.6V Performance: 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 Note: Speed may vary due to host hardware, software, usage, and storage capacity. Warranty: - Certificate: CE/FCC/BSMI - Warranty: Five-year Limited Warranty What's in the box 1 x Memory Card