Philips BT3080B/37 Wireless Bluetooth Stereo Speaker, Black by Philips

Bass Reflex Speaker System delivers a powerful, deeper bass Wireless music streaming via Bluetooth Built-in microphone for hands-free phone calls Built-in rechargeable battery for music playback anywhere Up to 5 hours music playback Stream tunes wirelessly in seconds Easy wireless Bluetooth music streaming in a sleek, modern case. Bass Reflex speakers deliver deep and powerful bass while a built-in microphone is ideal for hands-free calling. With rechargeable battery, you can enjoy your music anywhere. Bass Reflex Speaker System Bass Reflex Speaker System delivers a deep bass experience from a compact loudspeaker box system. It differs from a conventional loudspeaker box system in the addition of a bass pipe that is acoustically aligned to the woofer to optimize the low frequency roll-off of the system. The result is deeper controlled bass and lower distortion. The system works by resonating the air mass in the bass pipe to vibrate like a conventional woofer. Combined with the response of the woofer, the system extends the overall low frequency sounds to create a whole new dimension of deep bass.