Waterproof Bluetooth StereoRechargeable Color Changing Speaker Bring the party wherever you go with iBT588 color changing rechargeable Bluetooth speaker. Bluetooth wireless audio streaming from your Bluetooth enabled device. Built-in mic, digital voice echo cancellation and answer/end controls make speakerphone use a pleasure. iP67-rated waterproof and dustproof for use in any weather. Works with free Melody voice powered personal music assistant app to play music from Spotify, iHeartRadio and more. Passive subwoofer for enhanced bass. Five color changing modes with multiple colors at the same time for fun, fabulous color eff ects. Download the free iHome Enhance App to change color modes via Bluetooth. Operates on internal rechargeable battery (USB charging cable included).