Plantronics Wired Headset C5220T Voice and microphone operation confirmed. This listing is for the headset本体 only. Please note that items not shown in the photos (e.g., remote control) are not included. As this is a used item, there may be some minor scratches and dirt, but the condition is generally good. Please refer to the photos for the product condition and only consider purchasing if you understand the above product condition. Due to this being a used item, please refrain from purchasing if you are overly concerned about minor details. For home appliances, we test the functionality of items that can be tested before listing them (items with unconfirmed operation are noted), but we do not guarantee their operation. Please understand and acknowledge this before considering a purchase. Also, to prevent product substitution, we cannot accept returns or refunds after purchase. Please also be aware of this. Please be sure to check and understand the above conditions before purchasing. Storage No. a5(19)