Micro sd features:
1) Semi-removable memory module
2) Expands memory capacity for mobile phones
3) The world's smallest removable storage module
4) Compatible with all TransFlash mobile devices
5) The TransFlash memory module can be inserted into an adapter and used in other SD-enabled devices

Specifications:
1) Dimensions (L x W x D): 15 x 11 x 1mm
2) Memory capacities: 128MB/256MB/512MB/1G/2G/4g
3) Use environment: -25~80C;

Micro sd major Products: USB Data Cable, IrDA, Bluetooth, Card Reader, USB Hub, MP3/MP4, Mobil Phone Charger, Mobil Phone Case, Mobile phone handfree, HDD Enclose, Computer Cable ect.