Sonos Roam can handle Bluetooth or Wifi audio and has an IP67 rating for dust and water resistance. It is a speaker that can be used anywhere. It is less than 7 inches tall, weighs less than a pound, and is equipped with two Class H amplifiers for running a tweeter and an oval mid-woofer. It has an automatic Trueplay function, can use the built-in microphone to adjust the sound to the environment can provide hands-free Alexa and Google Assistant support dual duties. Two roaming can be paired via Wifi stereo, a single device can also stream Bluetooth to other Sonos speakers, battery life is up to 10 hours, can be played or can be performed via USB-C or any Qi-compatible wireless charger 10 days of standby and charging. Click here for more details about Sonos Roam Wireless Speaker.