Enjoy 360° sound that is crisp, clear, and balanced with the Black/ Blue/ Gray/ Red Ultimate Ears WONDERBOOM 2 Portable Bluetooth Speaker now with Outdoor Boost. With the new Outdoor Boost mode, you can instantly boost the loudness and clarity of your audio for outdoor listening. Portable and Bluetooth ready, this speaker features a maximum sound level at 86 dBC in standard mode and 87 dBC in Outdoor Boost mode. Additionally, this speaker features two 40mm active drivers and two passive radiators. Packing 13 hours of sound, the WONDERBOOM 2 is designed to handle impromptu raves, beach detours, and pool parties. And with an IP67 rating, this means this speaker is water and dustproof and built to make a splash. It's floatable and will continue to play your tunes when you are waist-deep in water. Additionally, you can wirelessly pair two WONDERBOOM 2 speakers with just the press of a button for a louder more immersive sound. Water & Dustproof An IP67 rating means the WONDERBOOM 2 is both water and dustproof. This speaker can be dropped into a body of water up to a meter deep for half an hour and still play your favorite tunes. Button Control Control your music right from the speaker. Use the big button on top to play, pause, and skip. To pause the stream, simply press the center button located on the top of the speaker. Press it again to resume playing or double press the button to skip to the next track. Durable and Portable This speaker is drop proof tested from up to 5' and sports a hanging loop on top, so it can easily attach to any bag, bicycle, backpack, or hook.