Crystal clear deep bass 6W + 6W HD loud speakers with 40mm premium drivers for both active outdoor and indoor use</br>Built-in 3.5mm audio line in and 1000mAh rechargeable battery allow SB571 to connect to media devices WITH OR WITHOUT Bluetooth capability.</br>Bluetooth 3.0 audio wireless connectivity with seamless streaming, 10 hours of playback time, from 33 feets of distance</br>2 x 40mm speaker driver output with deep bass and crystal clear sound</br>Fashionable and stylish design with solid performance and universal compatibility for Android, iPhone, iPad, tablets, smartphones, iPods, MP3, MP4, radio players, and other Bluetooth enabled digital players or media devices with aux port.</br></br>Product Description</br></br><b>Features</b><br> - Deep bass HD 6W + 6W watt loud speakers with 40mm premium drivers for both active outdoor and indoor use<br> - Built-in 3.5mm aux port allows SB571 to connect to media devices WITH OR WITHOUT Bluetooth capability<br> - Bluetooth 3.0 audio wireless connectivity with seamless streaming, 10 hours of playback time<br> - 2 x 40mm speaker driver output with deep bass and crystal clear sound<br> - Fashionable and stylish design with solid performance and universal compatibility for Android, iPhone, iPad, tablets, smartphones, iPods, MP3, MP4, radio players, and other Bluetooth enabled digital players or media devices with aux port <br> <br> <b>Specification</b><br> - Built-in 3.5mm audio port for wired or Bluetooth 3.0 wireless connectivity<br> - Playback time: up to 12 hours wired and 10 hours with Bluetooth wireless connection<br> - Speaker driver: 40mm<br> - Charging time: 2.5-3.5 hours<br> - Connection range: 33 feet<br> - Operating frequency: 2.4-2.48GHz<br> - Battery: Built-in rechargeable 3.7V 1000mAh lithium-ion battery<br> - Unit weight: 12oz<br> - Dimension : 6 x 2 x 1.6 "<br> - Speaker driver: stereo, 40MM, 4Ohm<br> - LF diaphragm dimension: 25*40 MM<br> - Signal-to-Noise Ratio: ³80db<br> - Distortion: ²0.1%<br> - Large speaker cavity inside for excellent sound effect<br> - Passive subwoofer inside delivers outstanding bass<br> - Battery status can be displayed on iPhone <br> <br> <b>What's in the box</b><br> - SB571 Bluetooth 6W + 6W Stereo speaker<br> - User Guide<br> - MicroUSB Charging Cable<br> - 3.5mm Audio Cable <br> <br></br><br/>http://www.amazon.com/gp/product/B00N9KM9SY