Listen to your saved music from your Bluetooth enabled smart phone or tablet (iOS or Android): or PC/Mac with our next generation portable: high quality speaker. The high quality microphone allows you to take and make calls when paired with your smart phone. Did we mention it's really loud? You'll be surprised at how much volume such a small speaker can generate without any distortion. Small and lightweight: take it with you! Total of 10 watts (2 x 5W: two channel). Passive Bass Radiator provides deep: rich bass tones for a more powerful sound. Rechargeable 1000 mAh Lithium battery for long playing enjoyment. A2DP (Advanced Audio Distribution Profile) for high fidelity Bluetooth wireless audio. Pause/Play/Answer Call: Next Track: Back Track and Volume controls on the top of the unit so you can control your music from either blunote 2.0 or your Bluetooth enabled device.