The SONY WI-1000X is a neckband-style wireless noise-canceling stereo headset designed to be worn around the neck. It's ideal for those who want to enjoy music and audio while commuting or on the go, and for those who want the convenience of wireless use. A key feature is its noise-canceling function. It supports Bluetooth connectivity, allowing wireless connection to smartphones and tablets. The neckband design allows you to keep the earbuds around your neck when not in use, making it easy to carry without having to put them away in a bag. The main unit has operation buttons for adjusting volume and controlling playback. The earbuds are in-ear type, designed to fit comfortably in the ear. The neckband is designed to conform to the neck, providing a stable fit. The material is primarily resin, giving it a feel suitable for everyday use. Charging is done via a USB cable. Operation has been confirmed, and no particular problems were observed during use. There may be minor scratches and signs of use associated with use and storage, so please check the photos for the condition of the appearance and accessories. This is a used item that has been stored at home. Shipping will be in simple packaging. We appreciate your understanding before considering a purchase.