Transcends 133X SD Cards achieve outstanding data transfer rates & ultra performance. Its the best choice for your digital camera & other handheld device. Transcend manufactures all of its SD cards using brand name MLC (Multi-Level Cell) NAND Flash chips & premium quality components to ensure robust, long-life durability & performance. For further peace of mind, the 133X SD cards are comprehensively tested for compatibility & reliability, & carry Transcends renowned lfetime warranty.