We have featured a few of these projection keyboard previously on Geeky Gadgets, the latest one is from Elecom, who have announced the new Elecom TK-PBL042BK Projection Keyboard.
The Elecom TK-PBL042BK Projection Keyboard will work with both iOS and Android devices via Bluetooth and it can also be connected to devices via USB.
As well as featuring a keyboard mode it also features a mouse mode which lets you use the device in a similar way to a touchpad, it will be available in Japan shortly for around $348.
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