Used only a few times. Operation confirmed without any problems. All accessories are included as shown in the images. Charging cable is missing, but it can be charged with a Type-C cable, so there is no problem. Compatible devices: Smartphones Brand: PLAUD Hardware interface: Bluetooth Microphone waveform rate: Built-in About the PLAUD NotePin Standard Edition: The PLAUD NotePin (Proud NotePin) Standard Edition is available in three colors: gray, silver, and purple. It comes with a dedicated magnetic pin and clip, allowing you to securely attach it to your clothes and wear it freely. The NotePin, a smart AI device, has a sophisticated mini-capsule design suitable for the AI era, and can be incorporated as a fashion item without any problem. You don't need to take out a voice recorder from your pocket or bag every time you record, allowing for hands-free and natural recording. It's a new-age wearable recorder that is both stylish and easy to use. Voice Recorder and AI Tool: The PLAUD NotePin is an innovative capsule-shaped wearable AI voice recorder. Not only can it record audio such as meetings, classes, and everyday conversations as a voice recorder, but as an AI tool, it utilizes Microsoft's "Azure" to transcribe audio in 112 languages, including Japanese, with high accuracy. Furthermore, with the latest LLM (Large Language Model), it instantly creates summary notes that capture the key points and are clearly divided into paragraphs. A note-taking device that dramatically increases productivity in the AI era. That is the "PLAUD NotePin." Big AI Power in a Small Capsule: The PLAUD NotePin is an ultra-small, ultra-lightweight capsule shape that can be held with your fingers, weighing only 23g. It is equipped with two high-fidelity microphones, achieving high-quality HD recording. You can start and stop recording with a single touch on the center of the device's surface. You can easily record important audio information in detail anytime, anywhere. The body, which is the size and weight of a single AA battery, has a built-in 270mAh battery, allowing for 20 hours of continuous recording on a single full charge and 40 days of standby, providing AI power that can be used all day long. Multi-functional and Smart Dedicated App Usable on Smartphones and Computers