Portable Bluetooth speakers COWIN Tabstage Wireless Computer Speakers Stereo 4.0 Foldable Aux-in Ultrasonic Sealed Technology with Enhance Deep Bass for iPad, Phone, Tablet, laptops-White (Black) HUGE STEREO SOUND. Enjoy crisp, clear audio with impressive volume powered by two powerful speakers,it can solve the problem of your device have a single sound source,stereo and enjoy your wonderful life Combined four passive radiators. The higher available in this price range. TRIANGLE DESIGN,STABLE. Added functionality, the solid and durable cradle firmly holds your iPad and iPhone at a comfortable viewing angle. even if the device is kept inside a bulky protective case.. Even for a big, heavy 14" tablet PC. 180 foldable for any size tablet & phone. ULTRASONIC SEALED TECHNOLOGY. The sound won't slip and enhance rich deep bass. Big sound with deep bass-for a full-range music experience. FREE YOUR HANDS, UlTRA-PORTABLE. When you watch movies, you don't need use your hand holding a tablet and foldable speaker easily slips into a bag, backpack or even a pocket. MORE THAN TWO MOVIES TIME: Boasting a 900mAh lithium-ion battery, this Bluetooth speaker can play up to 2 movies at mid-level volume on a single charge. (Playtime varies by volume level and audio content).