Logitech has developed speakers that can be controlled by voice.
A good update out for the Bluetooth speakers UE Boom and UE Megaboom 2 from Logitech. These gadgets got a possibility to control by voice, and in two versions: Siri and Google Now.
Add the function is quite simple, you just need to update the app to control from your smartphone or tablet, and it in turn will add the function in the firmware column. Column to start to record a voice command, you press the button Bluetooth connection.
Yes, unfortunately, completely wireless voice is not, as it happens with the device for the smart home Amazon Alexa.