Cute USB Pen Drive, in many shapes
Capacity : 4GB (tested)
Price : RMB 18 each, maybe cheaper if your bargain skill is better than mine.
Transfer rate : very slow (what can you expect at this price)
Sold in various shops in Shenzhen
speed is slow, but capacity is flexible.
it is just the rubber model + USB device.
they will plug in the device depends on what capacity you want, 2G, 4G, 8G, etc.