Nice to meet you. Thank you for looking. Here, I will gradually list items that I thought "This might be good" in my daily life. I strive for polite and pleasant transactions, so please feel free to browse with confidence. [About the product] ・Achieves stable audio via wireless communication ・The transmitter (microphone) has a clip and can be attached to clothing. ・The receiver connects via a 3.5mm earphone jack. ・Rechargeable and cordless. Lightweight & convenient to carry. [About smartphone compatibility] ・Can be directly connected to smartphones equipped with a 3.5mm earphone jack. ・For smartphones without an earphone jack (iPhone/some Androids, etc.), please use an audio input compatible conversion adapter (Lightning/USB-C). *Not all conversion adapters are guaranteed to support microphone input. Please check and use a product that is compatible with your smartphone. [About transactions] ・Stored in an environment free of pets and smokers. ・Immediate purchase OK (you can purchase without commenting). ・Price negotiation is not accepted (price includes shipping and fees). ・Shipping will be done with simple packaging (without a box). ・Cancellations and returns are not accepted after purchase. ・Please note that we do not provide guidance or support regarding product usage or settings. For overseas products, there may be minor scratches, crushed boxes, or loose stitching due to the manufacturing and transportation process. We inspect and list items that have no issues with use, but if you are looking for a perfect condition or are concerned about minor details, please refrain from purchasing. If you have any questions, please feel free to comment before purchasing. Thank you for reading to the end. We look forward to your business.