UpBright 4.5V AC/DC Adapter Sentry HW701 Wireless Headphone Headphones, HO700 H0700 Wireless Headphone Transmitter Emitter 4.5V-5V Power Supply Cord Cable PS Wall Home Charger Mains PSU World Wide Input Voltage 100-240VAC 50/60Hz. OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection). Tested Units. In Great Working Condition. UpBright 30 days money back guarantee. 1 full year service warranty. UpBright NEW 4.5V AC / DC Adapter For Sentry HW701 Wireless Headphone Headphones 4.5V-5V Power Supply Cord Cable PS Wall Home Charger Mains PSU(Note: This adapter is ONLY for Sentry Wireless Headphones. Not Fit Sentry Transmitter Cradle. NOT fit 12V. Thanks.) Fits Sentry HO700 H0700 Wireless Headphone Transmitter Emitter;