Millions of folks own tablets and smartphones these days. They are great for playing games, watching movies, or just checking the news. Need to type on your tablet or smartphone? You are better off getting a keyboard. These 3 tablet keyboards happen to be portable and great for travelers:
Perixx Bluetooth Folding Keyboard: a folding Bluetooth 3.0 keyboard with up to 30 feet operating range. It supports HID.
BESTEK wireless iPad keyboard: compatible with Bluetooth-enabled devices such as tablets and mobile phones. It is lightweight and easy to carry. Its battery can be charged via USB.
Aerb Portable Wireless Bluetooth Keyboard: compatible with Android, Windows, iOS, and Mac devices. It has a 250mA rechargeable battery. When you are done with it, just fold it to get it out of your way.
These are not the best keyboards around but they are very portable. They are great for travelers.