Spectacular Stereo Sound System: Dual 12Watts high-definition drivers with total output of 20W deliver loud but unexpectedly clear, natural sound with dramatically deep bass enhanced by special air flow technology.</br>Windbox Technology: The Optimized airflow technology allows the air to travel freely along with the music notes, the actual wind created from the ejection of the airflow will dramatically enhance the bass performance, bringing a whole new listening experience that you have never had.</br>Transparent Casing: The bold design of transparent casing allows you to see through the speaker, making the Windbox to well blend into all kinds of occasion no matter it is a family party, official meeting or a classical music concert in your own private space.</br>The New Bluetooth 4.2 Technology: the music data transmission is 2.5 times faster than Bluetooth 4.0, compatible with all kinds of Bluetooth enabled platforms (Mac os, Windows, IOS, Android etc.) with up to 33 ft. connecting range (varies from Obstacles and harsh environment conditions). Its portability allows you to bring the music with you wherever you go without any attachments.</br>Long Enjoyment: Built-in Two high capacity 2000mAh rechargeable Li-ion battery enables up to 8 hours music play time with one single charge( the play-time varies by volume level). Smart battery saving function automatically powers off the speaker when the music is not being played, allowing a longer battery life and safer electronic-using experience.</br></br>Product Description</br></br><b>Uncompromising Innovation</b><br> Life is a well-composed song, and we spend our life to experience every single notes of it. That is what Arisen WindBox is designed for: be a part of your everyday life and explore the exciting journey with you, side by side, by offering the richest, most natural stereo sound.<p> <b>Unconventional Technology</b><br> Windbox is featured with the most advanced optimized airflow technology. It allows the air to travel freely along with the music note, pushing the listening experience to one extreme.<p> <b>Unique Design, One of the kind</b><br> The design of transparent casing makes WindBox looks elegant and easy to fit in all kinds of occasions of everyday life no matter it is a wedding, family party, school music class or even business convention.<p> <b>Unspeakable Satisfaction</b><br> Arisen WindBox has a broad, powerful soundstage that makes you feel like you're right there with the band, or be a part of the movie. It only takes about 2 hours to fully charge the Windbox, revealing the path to an 8 hours non-stop music carnival. <p><B>What's in Box</B><br> a WindBox<br> a Arisen USB CABLE<br> a 3.5mm Audio Cable<br> a User Manual<br></br><br/>http://www.amazon.com/gp/product/B01MRXJFV2