With integrated wireless connectivity, voice control, home automation support, and a built-in battery that lasts up to 10 hours between charges, the shadow black Sonos Roam lets you enjoy your music at home or on the go. Equipped with Wi-Fi and an onboard microphone, the Roam connects to your home's wireless network and allows you to intuitively play music, check the weather and traffic, hear sports scores, and more via Amazon Alexa or the Google Assistant. Siri compatibility is also available via Apple AirPlay 2. Charge the Roam and take it outdoors with built-in Bluetooth connectivity. Its IP67 rating lets you use the speaker rain or shine, in hot or cold weather.   Voice Control via Alexa, Google, Siri Wi-Fi & Bluetooth Connectivity Apple AirPlay 2 Built-In 10-Hour Rechargeable Battery Supports Multiple Music Services Supports Wireless Multiroom Streaming Department Portable Speakers Built-In Mic Yes Expected Battery Life 10 H Dimensions 16.8 x 6.2 x 6 cm Weight 430 g   More information found here - Sonos