Outdoor Boost: New Outdoor Boost increases loudness with a single button press Waterproof and Dust-Proof: Perfect for outdoors, this speaker is waterproof and dustproof Double Up: You can pair two speakers to double up at the same time wirelessly for true wireless stereo Control Your Music: You can now Play, Pause, and Skip tracks directly on the speaker with the help of UE button on top Bundle Includes: Ultimate Ears WONDERBOOM 2 Portable Waterproof Bluetooth Speaker (Radical Red), Protective Case with USB Wall Plug and Premium Series 6-Feet Micro-USB Tangle-Free Braided Cable (White)