The Syren Portable Bluetooth speaker has full 360 sound through the 5w 2-way high fidelity speaker with elliptical passive bass radiator. You will be entertained by the Syren"s eccentric design, but even more impressed with the technical ability and sound. The on-board controls allow you to turn the Syren on and off as well play, pause and adjust the volume. Your new Syren also has clever Voice Prompt technology to indicate if the device is currently paired with another device or if it is ready to pair with your device. Near Field Communication (NFC) provides and amazing user experience when pairing your mobile device to the Syren in the quickest and simplest way possible. Then, with its Bluetooth functionality you can immerse yourself in your music of choice. Even if you don"t have a bluetooth device the Syren has something for you, there is a 3.5mm Aux input jack to play music directly from your audio device. The rechargeable Lithium-ion battery has up to 5 hours playtime. A hands free speaker phone to answer calls. The Syren also comes with a USB charger and microUSB charging cable.