Enjoy 360° sound that is crisp, clear, and balanced with the Just Peach 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.