At a Bluetooth events during CES 2013 Logitech demonstrated a range of their devices that used Bluetooth including:
A very nice sounding portable battery powered Bluetooth speaker which came in different colours.
The Logitech Bluetooth Boom box another battery powered speaker but with a big sound and 6 hour battery.
Bluetooth headphones
A Bluetooth Trackpad designed for the mac which supported multi-touch (they said a Windows 8 version is available as well)
Easy Switch Keyboard that can be paired with multiple Bluetooth devices and you can easier switch between them, so you could have it paired with your iPad, iPad Mini and iPhone and with one button switch between them.
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