Nicer-S products are CE / FCC / RoHS certified, tested by the manufacturer to match and / or exceed the OEM specifications
World Wide Input Voltage 100-240VAC 50/60Hz.
Output: 5V 2A
AC DC Adaptor for Yealink T29G, T46S, T48S, T52S, T54S, T56A, T58V, T58A Power Supply Cord
AC DC Adaptor for Yealink PS5V2000US
30 days money back guarantee. 1 full year service warranty.