Ultimate Sound: Super-portable with 360° bold, immersive, crystal clear sound and up to 12 hours of battery. It brings your music to life wherever you take itWith Amazon Alexa hands-free voice control: Just ask Alexa to blast tunes from Spotify (as of May 2018), Amazon Music, iHeart Radio or TuneIn, change tracks, discover new restaurants - or try any of Alexa's skillsWi-Fi and Bluetooth enabled: Use the Alexa Voice Service at home or on the go whenever connected to Wi-Fi or a mobile hotspot or stream music via Bluetooth from your phoneWaterproof and virtually indestructible: No matter how wild things get, your music will always be on point. The speaker is IP67 rated and can be immersed in water up to 1 m for 30 minutesSmarter over time: Update your speaker with the Ultimate Ears app as new features become available. Drivers: Two 1.38 inches active drivers and two 3.2 inches x 1.5 inches passive radiatorsThese are FCC regulated products: FCC ID JNZS00166