Ultimate Ears, maker of fine portable Bluetooth speakers and custom-fit headphones, has hopped on the digital assistant bandwagon with the new Blast and Megablast Bluetooth speakers. Now with built-in Wi-Fi and Amazon Alexa, the Blast and Megablast have the full suite of Alexa services, including voice control for the likes of Spotify and Amazon music, as well as for smart home tech like Philips Hue bulbs and Logitech Harmony remotes. The Blast costs £200 and the Megablast £270.