Click on the following link for product video demo presentation. https://youtu.be/ViXGdu6Wpj0

Key features:

 Supports micro sd card upto atleast 32 Gb.
 Supports micro sd card reading and writing.
 needs no adapter at all.
 High speed data transmission.
 compatible with usb 2.0 and 1.1.
 Plug and play.
 powered by usb directly,need no other power supply
 Compact and light weight,smaller than your thumb.
 Rope whole for hanging.
 Stable performance.
 Long service life , it can be used 10000 times.
Specifications:
compatible with: micro sd, sdhc , t-flash, TF card
Operating systems:  win 98,me , 2000, Xp,vista, win10, Mac x 9.os or later
Size: 32 x 11 x 7 mm
weight :1 G