Ultimate Ears MEGABLAST with Amazon Alexa built-in is a portable, Wi-Fi and Bluetooth enabled speaker that features immersive 360-degree sound and hands-free voice-control on Wi-Fi. MEGABLAST is waterproof and dustproof (IP67 rated), and features a unique 360-degree multi-microphone beam-forming setup for superior far-field voice performance that picks up voice commands from any direction. Take Alexa anywhere your speaker goes, from party, pool to park. When connected to Wi-Fi or a mobile hotspot, ask Alexa to play music, control volume, order takeout or try any of Alexa’s more than 15,000 skills. Sporting a Wi-Fi range of 330 feet and Bluetooth range 150 feet, enjoy fast, seamless music streaming from the cloud. Boasts a maximum sound level of 93 dBC and a frequency range of 60Hz _- 20kHz.