A loop of amazing sound. Unique circular shape gives a clear 360 degree sound stage. Features • Includes 2 active and 2 passive drivers • Speakerphone - Built-in microphone • Connect wirelessly or by 3.5mm AUX cable • Volume and music controls Includes • SoundLoop • Charge cable • Audio cable • User guide Specifications • Driver size: 40mm x 2 + 2 passive subwoofer • Output power: 3W x 2 • Bluetooth v2.1 + EDR, up to 30 foot transmission range • Battery: 1,000mAh • Play time: Up to 3.5 hours at 70% volume • Charge time: 2 hours • Frequency response: 120 Hz-18 kHz • Impedance: 4 Download User Guide