- Capacity:  8GB  - Dimension (W x H x D):  15mm x 11mm  x 1.0mm  - Weight:  Approx 0.25g  - Operating Voltage:  2.7~3.6V  - Speed (read) : 10~14 (MB/s)** - Speed (write) : 2~5 (MB/s)** - Speed Class : Class 4 - Warranty:  Life-Time warranty  - Compatibility:  mobile phone, PDA  - Certifications  FCC , CE , BSMI , VCCI   Note:  ** Based on HD Bench software testing.