UE Ultimate Ears Wonderboom 4 Wireless Speaker Bluetooth Portable Stereo 
 
Official IMS 2 Years Guarantee
 
Listen to your favorite audio out in the backyard or by the pool with the black-colored Ultimate Ears WONDERBOOM 4 Wireless Bluetooth Speaker. 
 
The WONDERBOOM 4's floatable, submergible, dustproof design gives you piece of mind when using it by the pool or at the beach. Use the one-tap Outdoor Boost function to increase the volume when outside to better hear your music, or activate Podcast Mode and relax to an episode with vocals that sound rich and clear.
 
Any type of audio enjoys 360° of sound with crisp and balanced sound with punchy bass, thanks to dual 1.6" active drivers and a pair of passive radiators.