[Recertified] OontZ XL Extra Large Portable Bluetooth Speaker Powerful Wireless Big Speaker 3 Bass Radiators USB Power Bank - Black, by Cambridge Soundworks [Recertified] OUR MOST POWERFUL BLUETOOTH SPEAKER; 10 inches long, 3.5 inches high, with big sound for parties, large rooms and yards with high quality sound at all volumes WIRELESSLY CONNECT TO YOUR BLUETOOTH DEVICE: iPhone, iPad, iPod, Android, smartphones, Tablets; play from laptops, PCs and other non-Bluetooth devices using the included 3.5mm audio cable connected to the speaker's AUX-IN jack THREE PASSIVE BASS RADIATORS for deeper bass and two custom designed 2.25 inch Precision Drivers that provide sharp highs and clear midrange BUILT IN USB POWER BANK for charging your phone while playing; built in Microphone for Handfree Speakerphone UP TO 10 HOURS OF PLAY TIME from the rechargeable lithium-ion battery