Creative Sound Blaster Roar: Portable NFC Bluetooth Wireless Speaker with aptX/AAC. 5 Drivers, Built-in Subwoofer AMAZINGLY POWERFUL AUDIO PERFORMANCE. Mind-blowing FIVE Drivers powered by TWO separate sets of high-performance amplifiers. Features a built-in subwoofer for kickass thumping bass. Sports more features than any other wireless speaker and even outperforms speakers that cost over twice its price! PORTABLE BOOKLET-SIZE. Defies the laws of acoustic engineering by shrinking the 5-driver system, a voluminous acoustic chamber, an intricate patent-pending heatsink system, a 6000 mAh Li-ion battery, and a host of killer features -- all into a compact size that sits on your palm. HD CONVENIENT WIRELESS. Supports aptX and AAC for high-quality Bluetooth audio. Comes with NFC Technology for convenient one-touch pairing. Bluetooth Link Security control allows you to configure the Sound Blaster Roar for different usage scenarios. KILLER FEATURES. On top of the 'no holds barred' ROAR audio enhancement mode, the Sound Blaster Roar also comes packed with a whole range of surprisingly useful features, including a built-in MP3 player, a voice recorder, a speakerphone, a battery bank, Bedtime listening mode, TeraBass, and even a handy siren. Also doubles as a USB Sound Blaster for your PC or Mac. CRITICALLY ACCLAIMED WORLDWIDE. The Sound Blaster Roar is widely reviewed by many reputable reviewers globally and has garnered numerous accolades.