Waiting Room Call Device / NDB-MIC1-C It was working when last used. - As this is a used item, please check the photos carefully before purchasing. It will be cleaned and disinfected before shipping. I have other items listed as well, so please take a look if you'd like. There are other products. Please take a look. ※※※ Please refrain from bidding if you are overly sensitive. ※※※ If you are looking for perfection, please purchase from a mass retailer or online store. Bids from users with many negative reviews will be canceled. If no contact is made within 48 hours of winning the auction, it will be canceled due to the buyer's convenience.