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In addition, there is a silicon steel bend for magnetic shield to reduce low frequency humming. They are specially designed to work on all standard 115V or 230V at 50Hz or 60Hz. And they also have the magnetic shield around the outside to reduce the magnetic leakage.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.