Freakishly amazing 360-degree sound with deep bass.For Audio Playback: Smartphones, tablets and other devices that support Bluetooth® and Bluetooth Smart® wireless audio profile [Advanced Audio Distribution Profile (A2DP)] or 3.5 mm audio output.. Waterproof (IPX7) grab n' go shape that is shockingly light-1.93 pounds. Connect with Echo Dot (2nd Generation) for hands-free voice control of UE MEGABOOM with Alexa; ask Alexa to play music from Amazon Music, Spotify, Pandora, iHeartRadio and TuneIn on your UE MEGABOOM. PartyUp from Ultimate Ears allows you to wirelessly connect more than 50 UE speakers. 100 ft Bluetooth wireless range, 20-hour rechargeable battery* and ultra-fast micro USB charging (* Actual wireless range and battery life will vary with use, settings and environmental conditions). UE MEGABOOM app for additional features and control.