Standard: USB 2.0 (USB A Connector / Micro B Connector)
Dimensions: (L x W x H) 34.7 x 23.9 x 9.6mm (W x H x D)
Weight: 6g
Voltage: 2.7V~3.6V
Certifications: FCC, CE, BSMI, VCCI
Warranty: Lifetime
Color: Black
http://tw.adata.com/en/sd/specification/321