Here’s the folding keyboard from Diatec Japan, the Papillon FKB66PU. It is very compact and easy to carry with you. It works with your PDA or Mobile also such as Sony VAIO U and W-ZERO3 models. There’s special rubber processing gives more grip to the keyboard when use. It measures 150×90x20 mm when folded and 300×90x10 mm when opened.

[via New Launches]