This Micro USB Host OTG cable works exactly the same as the super expensive Samsung USB Adapter for Samsung Galaxy S II.
Works perfectly with Samsung Galaxy S II. It works the same for Nokia N810, N900 or other Android Devices with custom ROM/Kernel that support USB Host mode
This USB Host adapter cable allows you to connect a USB memory stick, a USB memory card reader to your Samsung Galaxy S II. (some standard USB devices may not function if they consume too much power)
Connect your peripheral devices to your portable electronics such as cell phones, eReaders, tablets, and laptops with this micro USB OTG (on-the-go) to USB 2.0 adapter
Functions depended on the device's operating system and applications
Lengh: about 30 cm
1 x Micro USB to USB OTG Cable