The Bose SoundLink Revolve, the Portable Bluetooth Speaker with 360 Wireless Surround Sound, Triple Black

341$

Deep, loud and immersive sound, with True 360 degree coverage. Wireless range up to 30 feet. For those times when loud just isn’t loud enough, use the app to connect any two SoundLink Revolve speakers
Seamless aluminum body is durable and water resistant (Ipx4). SoundLink Revolve speakers keep track of the last eight devices that were paired and connected to them, dropping the least recently used device when a new one is paired
Enjoy up to 12 hours of play time from a rechargeable, lithium ion battery