GPK Systems Ac Adapter for Logitech Ue Mobile Ultimate Ears Boom Wireless Bluetooth Speaker Power Supply Cord Charger Input: 100 - 240 V (worldwide use) Output: 5V 2A 10Watt Service & Support 1 year warranty Products are CE/FCC/RoHS certified, tested by manufacturer to match and/or exceed specifications of OEM products. Designed exclusively for use with the laptops 100% compatibility with the original.