6.5Ft EPtech AC / DC Adapter For Sony DR-BT50 DR-BT21G/B Stereo Bluetooth Headphones Power Supply Cord Charger 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 !