Nicer-S products are CE / FCC / RoHS certified tested by the manufacturer to match and / or exceed the OEM specificationsWorld Wide Input Voltage 100-240VAC 50/60Hz.
Output: 5V 2AAC DC Adaptor for Yealink T29G T46S T48S T52S T54S T56A T58V T58A Power Supply CordAC DC Adaptor for Yealink PS5V2000US30 days money back guarantee. 1 full year service warranty.