Tube Bordeaux 60 - 20000 Hz Wireless Wi-Fi Bluetooth Built-in microphone Built-in Lithium-Ion (Li-Ion) 16 h Powerful, portable speaker with Bluetooth® and Wifi connectivity and Amazon Alexa. MEGABLAST delivers big, bassy 360° sound and voice control on Wi-Fi, at home and on-the-go.Meet Ultimate Ears MEGABLAST, our most powerful portable Wi-Fi/Bluetooth speaker with big, bassy 360° sound and hands-free voice control. Now with Amazon Alexa built-in, you and your crew can blast tunes, discover new music, order takeout and more, with just the power of your voice. Do it all at home or on the go, even take calls without killing the music whenever connected to Wi-Fi or a mobile hotspot. MEGABLAST is waterproof, rugged and stunning toogo from cocktail party to pool party with confidence and style. Just say it to play it with MEGABLAST from Ultimate Ears.WI-FI CONNECTIVITYUltimate Ears MEGABLAST brings Wi-Fi to the portable speaker party and connects directly to the cloud. Enjoy fast, stable