EPtech AC/DC Adapter For Brookstone Design USA Model: Tranquil Moments for Travel Model No: 590877, 530014 Sound Therapy System World Wide Use Power Supply Cord Cable Wall Charger Mains PSU AC Input 100V-240V 50-60Hz;DC Output Industry Quality : Over Voltage Protection, Over Heat Protection Brand New Adapter, 100% Compatible Warranty:1 year warranty, 30 day money back guarantee Shipping from USA !