microSDHC Class 10 8GB w/o adapterTS8GUSDC10 Today’s advanced smartphones and tablets are fast and powerful, with memory-hungry apps and full-hd recording capabilities that perform best with high-speed storage media. Transcend’s "Ultimate" series Class 10 microSDHC cards offer extra storage capacity with superior read/write speeds that keep pace with your mobile lifestyle. Features Ultra-fast data access and write speeds Up to 20MB/s read and 17MB/s write Great compatibility with mobile devices Compatible with cell phones, eBook readers, tablet PCs, and more Comes with full-size SD/SDHC adapter Allows the microSDHC card to be used in full-size SD or SDHC card slots Specifications Size: 11mm x 15mm x 1.0mm Op. Voltage: 2.7V~3.6V Op. Temperature: -25°C(-13°F) to 85°C(185°F) Durability: 10,000 insertion/removal cycles Weight: 0.4g Compatibility: Ideal for mobile phones, digital cameras