Buy Now...
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Here I offer two solutions both small but both have a standard keyboard layout that only needs to be paired to your device, neither are large so I doubt you will be touch typing but they are a distinct plus on the choices above.
Bluetooth Keyboard
This is 11x6x1cm and weights 69grams. Mine had black sides and back with silvered surround to the face and the keys were grey with black letters.
It has 52 keys with 30 keys having a second function in blue via the ‘FN’ key. The alpha and numeric keys are .7x.8cm with .3cm between them horizontally and .2cm vertically. While the keys are of course smaller than on a conventional keyboard (1.5x1.5cm) they are certainly useable with two thumbs as I suspect most will do.
It has a micro USB socket (lead provided) to power its battery, beside this a tiny on/off slider switch. The stated standby time on a full charge is ‘over 400 hours’. The stated standby current is <=600uA while the operational current drain is less than 3mA.
For those not wanting to hold it there are four tiny rubber feet on the base that mean it can sit securely on a desk.
It is available from the link below for $37 US plus $3 US p&p whatever the size of your order.
http://usb.brando.com/slim-bluetooth-keyboard_p01591c036d15.html
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Mini Bluetooth Keyboard
This unit is even slightly small and substantially lighter than the offering above. It is 11x6x.6cm and weights only 42grams. So ideal to stick into your top pocket when you need to type more than a key characters at a time.
Mine was black with black rudder keys with the ‘FN’ key assignments in red and the top line the numeric keys having a third job of displaying – via shift key – the ! @ # $ % ^ & * ( ) keys. A total of 39 keys have a second task in association with the ‘FN’ key both shown in red.
There are a total of 49 keys with the 1 0 Shift and Shift keys – the four corner offerings – being slightly shaved to allow the whole unit to have slightly rounded edges. I doubt anyone will notice when using two thumbs to type.
The back edge has micro USB socket (lead provided) to power the unit and beside this a slider switch to turn it on/off.
Despite having a well illustrated 20 page User Manual I can find no mention of power drain and standby time for a single charge. There is a software CD that could be useful for Microsoft Windows Mobile OS, Google Android OS, Symbian OS, Windows with IVT stack, Windows with Broadcom and Linux OS systems.
There is a separate sheet detailing Combo Key Function Gudes for Nokia S60, Android and Windows System.
It is available from the link below for $43 US plus $3 US p&p whatever the size of your order.
http://usb.brando.com/mini-plam-size-bluetooth-multimedia-keyboard_p1652c36d15.html