U盘，内存卡

Product Number: DTT-SD Card

Capacity: 32MB/64MB/128MB/256MB/512MB/1GB/2GB/4GB

Data Transfer Rate: 60X/80X/133X (R:18MB/Sec W:14MB/Sec)

Dimension: 24 x 32 x 2.1 mm

Weight: 1.5g max

Operating Voltage: 2.7V-3.6V