Features: 

• 100% WATERPROOF AND DIRTPROOF (IP67) - protection whether it's raining, snowing or you are in the middle of a dust storm. Drop it in a pool, lake or ocean, no worries - it floats.
• BUILT-IN EQUALIZER - tune the audio output by selecting 1 of 5 proprietary digitally DSP equalizer modes for the ultimate outdoor audio experience; ECOCAST COMPATIBLE - to connect wirelessly with up to 100 EcoCast enabled ECOXGEAR and SoundExtreme speakers of any mix (not EcoConnect compatible) for TruWireless Stereo Sound(TWS) and the ultimate party (EcoCast feature supports Bluetooth audio, AM-FM and Aux-In audio sources)
• ADDRESSABLE RGB LED LIGHTING - customize the LED's colors, speed, brightness, music sync, and LED chasing with the free downloadable mobile app; LEDCAST BUILT-IN - to connect to any other LEDCast compatible ECOXGEAR or SoundExtreme product (products sold separately)
• BATTERY LASTS FOR DAYS - play continuously on standard AC plug-in power, or built-in battery for 10+ hours at full volume and up to 25+ hours at average listening levels; Battery fully re-charges in 7-8 hours
• WHAT IS IN THE BOX - 1x Boulder Ultra Speaker, 1x AC Power Cord, and a User Guide