Creative iRoar Intelligent Bluetooth Wireless Speaker 5-DRIVER SPEAKER DESIGN - Dual 2 - premium high-frequency drivers deliver balanced highs and far-field high-frequency dispersion. Active 2.75 driver delivers impressive bass. Two passive radiators to further enhance the bass and widen soundstage. To get even more bass and wider virtual surround sound, dock the iRoar to the iRoar Rock (sold separately). NEXT GENERATION WIRELESS PERSONAL PUBLIC ADDRESS (PA) SYSTEM - The iRoar speaker doubles as a wireless personal PA system for your presentation, conferences, or even karaoke sessions. Connect the iRoar to the Creative iRoar Mic (sold separately) for the professional experience. CUSTOM AUDIO PROFILES FOR YOUR ENTERTAINMENT NEEDS - Enhance your audio experience with your own sound signature. With the free Dashboard app for iOS and Android, you can make on-the-fly adjustments from the equalizer to the level of immersion and audio clarity. BLUETOOTH HD AUDIO PLAYBACK - Enjoy your games or watch movies without delays, thanks to Bluetooth aptX Low Latency codec and AAC. So you can experience low latency in your wireless audio. Supporting MP3/AAC/WAV formats, you can play your favorite music from the microSD card. With Optical Input, you can boost your TV audio and enjoy powerful high-fidelity audio stream directly from TV. When connected via USB, it delivers low jitter USB audio from your PC. Or, connect via 3.5mm AUX-in port. 20 HOURS OF BATTERY LIFE - A built-in 9000mAh Li-ion battery provides up to 20 hours of playtime, so you can enjoy non-stop music on the go. Plus, you can use a quick charge for your mobile phones and tablets with a high 1.5A output. <span class="a-text-bold">PASSIVE RADIATORS</span><br> <br> The dual opposing, side-firing passive radiators on each side of the speaker further enhances and widen the soundstage dramatically.