Deep. Loud. And immersive, too. SoundLink Revolve+, the best-performing portable Bluetooth speaker from Bose, delivers true 360~ 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 16 hours.