Thank you for viewing. This is a neck speaker from 3coins. Operation has been confirmed, and there are no problems. Includes the main unit and instruction manual only. Please check the condition in the photos. Connection method: Turn on the power and connect to "RISE MUSIC" in the settings screen of your smartphone, etc. You can use it just by doing that. A beep sound will be heard when connecting. 【Unique Design】 This neck speaker adopts an open-type design, providing a high-quality music experience while being aware of the surrounding sounds. 【Comfortable Fit】 It uses lightweight and flexible materials, making it comfortable for long hours of use. It is especially ideal for those who enjoy music while doing housework or working. 【Versatile】 It is useful in various situations, such as watching movies, listening to music, and participating in conference calls at home. It is also a convenient size for carrying around. - Type: Neck Speaker Thank you for viewing.