Ownstyle Subwoofer Portable Bluetooth Speaker,Wireless Bluetooth Speaker with High-def Sound for Smartphone ,Tablet PC and More Enjoy an perfect crystal clear sound quality and robust bass realized through a 3W audio driver and passive subwoofer. Hand free. Built-in microphone with a 2-feet pickup range allows the speaker to double as a speaker phone. Newest Bluetooth Technology - Connect your device in 3 seconds,Secure simple pairing for user- friendly operating Broad compatibility. Connect with any bluetooth-enabled device (Bluetooth 2.1 and over) or just plug in with the traditional audio cable to start your tunes. 33 feet Bluetooth hassle-free auto connection,the rechargeable battery offer long playing time an empty battery usually fully recharges in 3 hours.