The compact Ultimate Ears Wonderboom 3 Performance Blue Speaker offers big, efficient sound and a long battery life. Tap the Outdoor Boost Button for enhanced sound in outdoor environments. This portable speaker features Bluetooth 4.0 technology and a 14-hour battery life. WONDERBOOM 3 is water-resistant with an IP67 rating and can be submerged in 1m of water for up to 30 minutes, while being dust and drop-resistant. It also includes a convenient loop for easy portability. Double the sound by pairing two WONDERBOOM 3 speakers and activating stereo mode with just two clicks. Enjoy wireless audio streaming up to 131 feet. WONDERBOOM 3 portable speaker is made from at least 31% post-consumer recycled material, making it an eco-friendly choice.