Bluetooth Streaming Audio, Dual 5W Drivers, Multi-Colored LED Light Show, Up to 33' Range, 3.5mm Aux Line-in, FM Radio, Built-In Speakerphone, Up to 8 Hours of Playback. The Rave Wireless Speaker from Hypergear is a Bluetooth-enabled speaker with a line-in jack for non-Bluetooth devices. It comes equipped with two 5W drivers and features an interactive LED show that will light up in time with your music. The Rave also features a built-in speakerphone for taking calls and in case you want to listen to the radio it has a built-in FM tuner. The Rave's battery provides up to 8 hours of playback on a single full charge.