The EcoBoulder+ by ECOXGEAR is an updated version of the popular EcoBoulder product. EcoBoulder+ maintains the massive sound and rugged build of its predecessor and adds even more features that enhance the sound quality and functionality of the unit.Plug your devices into its USB port for charging or pair it with your smartphone, tablet or Bluetooth-enabled computer for high-quality sound wherever you go. Shock-resistant, submersible and buoyant, this heavy-duty speaker is designed forwater-lovers who need a soundtrack. Key Benefits: Shock-resistant, submersible & buoyant Speakerphone mic for hands-free control EcoTalk button activates voice assistant (Siri or OK Google) Integrated bottle opener Two Yeti cup holders Integrated splashproof storage pouch Music & phone controls Digital AM/FM radio withfive (5) presets External mic jack for PA or Karaoke use Oversized wheels and 3-stage telescoping handle for easy transport Technical Details: Power: 100 watts (peak) Waterproof Rating: IP67 Certified Play Time: Up to 50 hours 3-Way Speaker System: 8" full range + 8" woofer + 3" tweeter Equalizer Controls: user-adjustable bass & treble with five(5) music genre presets