Deep. Loud. And immersive, too. The SoundLink Revolve Bluetooth speaker delivers true 360 deg. sound for consistent, uniform coverage. Place it in the center of the room to give everyone the same experience. Or set it near a wall so sound radiates and reflects. This wireless speaker is durable, water-resistant and easy to grab and go-with a rechargeable battery that plays up to 12 hours. True 360 deg. sound for consistent, uniform coverage Seamless aluminum body is durable and water-resistant (IPX4) Enjoy up to 12 hours of play time from a rechargeable, lithium-ion battery Wireless Bluetooth pairing with voice prompts Take calls and access Siri or Google Now right from your speaker Pair two speakers together for Stereo or Party Mode playback Easily manage Bluetooth connections, unlock features and access future updates with the Bose Connect app NFC pairing for easy connectivity to your NFC-enabled devices Available in Triple Black or Lux Gray Optional charging cradle available Siri is a trademark of Apple Inc., registered in the U.S. and other countries. The Bluetooth word mark is a registered trademark owned by Bluetooth SIG, Inc. and any use of such mark by Bose Corporation is under license. Google Now is a trademark of Google, Inc.