Mobile Disk X4 TwinMOS?s USB2.0 Mobile Disk X4 is a black fashionable-looking design with a thumb size and lightweight features that will surely attract modern customers. The cap of X4 is designed to be able to turn 360 degree which makes people easy to carry it anytime and anywhere. High speed:Great enhancement of reading & writing performance Security: Password protection (optional) Thumb-size and light-weight
TwinMOS Mobile Disk X2 is miniature, lightweight and convenient for mobility