HQRP AC Adapter Charger for Samson AirLine 77 / Concert 77 Headset Wireless Systems, Power Supply Cord [UL Listed] + Euro Plug Adapter HQRP&reg; Replacement AC Adapter plus HQRP&reg; Euro Plug Adapter; Input: 100V-240V AC; Output: DC 12V, 2A; UL Listed; Safety Features: High Efficiency and Reliability; Automatic Overload cut-off; Automatic Thermal cut-off; Short circuit and Over Voltage protection; Low Interference & Noise; 100% Compatible with Original AC Power Cord; 1 Year warranty!