✎World Wide Input✎ :Voltage 100-240VAC 50/60Hz ✎Safety Protection✎: No noise, low temperature operation, no spontaneous combustion, no explosion, no fire hazard, stable output. Automatic overload cut-off, over voltage cut-off, automatic thermal cut-off, short circuit protection. ✎Voltage Consistency ✎: No voltage fluctuations at power on, during transmit, receive, or at power off. It will protect your electronic products from destruction. ✎2-Year Warranty ✎: We will provide 2 year manufacturer warranty and 30 days return - we've got your back! BestCH 9V AC Adapter for Sennheiser RS175 TR175 RS 185 TR 185 RS195 TR195 RS 165 TR 165 Digital Wireless Headphone System RS 175 TR 175 RS185 TR185 RS 195 TR 195 RS165 TR165 Power Supply Product Specifications:
✔ Plug Type: US prong
✔ Input Voltage:AC 100-240VAC Worldwide Use
✔ Input Frequency Range: 50-60Hz

Kindly Note:
✔ This item is replacement power adapter ,not Orginal/Genuine.
✔ Please be kindly informed that the total wattage of the device should not exceed the max wattage (shown on the adapter's label) of this adaptor
✔ And we suggest it to be de-rated 10%-20% when using to prevent overheating

Warnings:
✔ Don't open or modify the power supply / power cord/ power cable
✔ Please leave children, kids far away from high voltage power source
✔ Please use it under professional electrician's guides
✔ Any abuse or improper use will void warranty