The Bose SoundLink Revolve - Portable Bluetooth 360 Speaker, Lux Gray version.

Features:
- Deep, loud and immersive sound, with True 360-degree 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 range up to 9 m (30 feet)
- Wireless Bluetooth pairing with voice prompts; easily take calls and access Siri or Google now.
- Pair two speakers together for stereo or party mode playback. Dual-passive radiators. An omnidirectional acoustic deflector