Total Retail Value is $400! This includes Power Up Charging Dock which retails for $50 plus the speaker which retails for $350. 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 it. With Amazon Alexa hands-free voice control: Just ask Alexa to blast tunes from Amazon Music, iHeart Radio or TuneIn, change tracks, discover new restaurants - or try any of Alexa's skills. Wi-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 phone. Waterproof 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 meter for 30 minutes. Smarter over time: Update your speaker with the Ultimate Ears app as new features become available. Drivers: Two 1.4 inches active drivers and two 3.2 inches x 1.5 inches passive radiators.