Hello. Thank you for viewing. I am gradually listing items that I thought were "maybe good" in my daily life. I strive for polite and pleasant transactions, so please feel free to browse with peace of mind. [About the Product] ・Achieves stable audio with wireless communication ・The transmitter (microphone) has a clip and can be attached to clothing ・The receiver connects to a 3.5mm earphone jack ・Rechargeable and cordless. Lightweight and convenient to carry [About Smartphone Compatibility] ・Can be connected directly to smartphones with a 3.5mm earphone jack. ・For smartphones without an earphone jack (iPhone / some Androids, etc.), please use a **voice input compatible conversion adapter (Lightning / USB-C)**. ※Not all conversion adapters support microphone input. Please check the product that suits your smartphone before using it. [About Transactions] ・Stored in an environment without pets or smokers ・Instant purchase OK (You can purchase without commenting) ・We do not negotiate price reductions (Prices include shipping and handling fees) ・Shipping is done with simple packaging (without a box) ・Cancellations and returns after purchase are not accepted ・Please note that we do not provide guidance or support regarding how to use or set up the product. Regarding overseas products, there may be small scratches, crushed boxes, or loose stitching due to the manufacturing and transportation processes. We inspect the products and list those that have no problems with use, but if you are looking for a perfect condition or are concerned about minor details, we would appreciate it if you could refrain from purchasing. If you have any questions, please feel free to comment before purchasing. Thank you for reading to the end. Thank you for your cooperation.