C2G/Cables to Go 41320 Audio Unlimited Premium Bluetooth Rock Speaker, Granite Listen to music just about anywhere without the hassle of running speaker wire! This high quality, weather-resistant speaker can even be used in wet areas. Bluetooth technology allows you to easily and quickly connect and listen to content from your Bluetooth enabled device. Connect the speaker to your device by simply powering on the speaker, pressing the speakers paring button and selecting AU Bluetooth Speaker from the Bluetooth paring menu on your device. Operating Distance: Up to 10 meters (open area). Transmission Mode: Bluetooth V2.1 + EDR. Carrier Frequency: 2.402~2.480GHz Operation Voltage: Speaker, DC 15V 1.0A Power Adaptor. Frequency Response: 50Hz - 12KHz. Output Power: 10W