Check the listing for details. Zms-Trainer Zoomswitch Trainer Adapter Switch For Wireless And Corded Headsets. Color: N/A, Condition: New. Listed at 38.41 USD. - ZoomSwitch Trainer adapter switch for wireless and corded headsets- Managers and supervisors can move freely and accomplish other tasks while they listen-in and monitor employee calls- Also allows employees to train with a second person monitoring and not sacrifice mobility- Several configurations options available: Two connected wireless headsets, one wireless and one corded headset, or two corded units.- Quick and easy setup ZMS-TRAINER 19785424 SKU: ZM-ZMS-TRAINER-TD Return Policy Returns will not be accepted without a Return Merchandise Authorization Number (RMA). Refused Delivery: It will be subject to a 20% restocking fee. The customer will also be responsible for the return shipping cost incurred by the action of refusing the delivery. Consequently, amount of refund will be issued less 20% restocking fee of the value of the merchandise and less shipping and handling fees both ways. All shipping and handling fees are non-refundable with an exception where we have made an error by shipping and incorrect item to the customer.