These are wireless earphones. I think the price was around 3000 yen. I bought these as an emergency replacement when I lost my main earphones. I'm selling them now that I've found my main earphones. The condition isn't bad, but they have been used, so please understand that they are not in perfect condition. There is no box, so I will pack the case and earphones for shipping. I've listed the features below. Please take a look. 【Hear Ambient Sounds Without Blocking Your Ears】 These open-ear earphones don't completely block your ears, allowing you to naturally hear the surrounding sounds. You can safely move around while listening to external sounds, even during your commute, to school, or while running. They don't have the pressure of bone conduction earphones, and the vibrations that travel through the bones are not uncomfortable. 【Wear Them Like an Accessory】 Weighing only about 3.6g per ear, about the same as a 5-yen coin, these are ultra-lightweight earphones! You can wear them like an ear cuff, simply by clipping them onto your ear. Your ears won't get stuffy, and they're clean and comfortable. You can wear them for long periods without discomfort. 【Use Them Without Worrying About Rain】 They are IPX5 waterproof rated. You can use them with confidence even in sudden rain. (※This is a water-droplet level of waterproof rating, so they are not designed for long-term submersion.) 【Comfortable with Stable Connectivity】 Compatible with Bluetooth 5.3. They achieve high connection stability, making it less likely for sound to skip. Continuous playback time is about 4.5 hours. ※This may vary depending on the usage environment and method. 【Songs Won't Stop Just by Touching Them】 Touch-sensor buttons often cause accidental operations due to unintentional touching. This product uses physical buttons to prevent accidental operations.