.Extendable aluminum tubes create maximum volume and bass for amazing spatial surround sound quality with huge bass extensions and maximum SPL volume range. Innovative roll-out device rubber stands for convenient hands-free audio / video sharing. Embedded threaded screw is inserted to attach off-the- shelf attachments like suction cups, bike mounts etc. Comes with screw-in handy strap. NFC touch pairing with bluetooth 4.1 plus EDR and DSP audio chipset for quick connection and optimum surround sound audio quality. You’ll get an amazing ten hours playtime, depending on the usage pattern. Crystal clear audio and con-call voice quality.