Check the listing for details. ShoreTel Satellite External Microphones Model: SM-1 Rev: 1 (pair). Condition: New – Open box. Listed at 22.00 USD. Condition: New open box Contact: If you have questions send a message through eBay and I will try to answer as soon as possible. Returns: Returns accepted up to 30 days after you receive your purchase. If you wish to return an item please contact us as soon as possible. If I did make a mistake or if there are any problems, just contact me and you will get a Full Refund. Just let me know and send it back, I will pay the return postage. International Buyers :Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.