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 that picks up voice commands from any direction. 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. It has a Wi-Fi range of 330 feet and Bluetooth range of 150 feet. The maximum sound level is 93 dBC and the frequency range is 60Hz ­- 20kHz.