EPtech (Extra Long 6.5 Ft) AC/DC Power Charger Adapter For Sennheiser RS 170 TX-170 Wireless BT Headphone EPtech AC Adapters are made with the highest quality materials tested by manufacturer to match and/or exceed specifications of OEM products Total Cord Length Is Extended to 6.5 Ft(Competitor's Products are only 3-4 Ft )! Input Voltage Range: AC 100V - 240V ( work in U.S ) Output Voltage Range Compatible: 5V Products trademarked EPtech are marketed and sold exclusively by EPtech. We focus on providing quality power products and excellent customer service EPtech products has a 30 day Money-Back Guarantee, and a 1-year limited warraty! Buy with confidence!