Check the listing for details. Hand Shoulder Speaker Mic. 👀 GR8 BUY.. Condition: New. Listed at 9.99 USD. Hand Shoulder Speaker Mic. 👀 GR8 BUY. New never been used. I have no idea what these connect to. There is no model number or maker on the unit or the box. PLEASE SEE ALL PHOTOS AS THEY ARE PART OF THE DESCRIPTION! What you see in the photo is what you will be getting. Please be sure to read all descriptions on label. INTERNATIONAL BUYERS!!! I only ship through EBAY’S Global Shipping Program! NO SHIPPING TO P.O.BOX ADDRESS. If one of these states does make a purchase such as : Hawaii, Alaska, Puerto Rico, Rhode Island, APO, FPO May incur extra charges. Please message us if you are purchasing this item as the costs can be more expensive. I charge a 20% restocking fee for items returned due to customer error or non-warranty related returns. Shipping will not be refunded unless the item was received DOA or item was not as described.