2+2 Stereo Clarity: Dual 50W woofers and dual 20W tweeters deliver crisp highs and deep lows, balanced by smart crossover technology for an immersive audio experience. 30W Fast Charging and Built-In Power Bank: Pair with a 30W charger to fully charge Boom 2 Plus outdoor speaker in just 3 hours and keep the beats playing for 20 hours. And with the built-in power bank, you can give your phone and other essentials a 10W charge wherever you are. (Playtime may vary based on volume level and playback content. IPX7 Waterproof and Floatable: Boom 2 Plus outdoor speaker is designed to handle any adventure so you can listen with no worries at the beach, by the pool, or in the rain. Your Sound, Your Way: Boom 2 Plus outdoor speaker features a customizable pro EQ