Meet the COWIN DiDa speaker: an Alexa enabled Bluetooth speaker system that lets you ask for music, news, and other info using voice commands. It has dual 7.5-watt acoustic drivers and a rechargeable battery that lasts up to 9 hours. The companion app lets you easily control the speaker from your smartphone.
You can combine two units for stereo mode. COWIN DiDa is available for under $100 at this time.