"No comments, instant purchase OK" "Anonymous delivery" "Usually ships the next morning" "Lightly cleaned" I am selling this because I received it as a gift and have no use for it. ✨️ ✔️ Main unit power OK 　Button operation OK 　Button long-press frequency search operation OK 　Transmitter power OK 　　→ Basic operations have been confirmed. 　　　Other aspects are unknown as I am not an expert. ✅️ Contents 　Main unit 　Adapter 　Mounting bracket (unopened, 4 screws) 　Belt pack transmitter 　Headset microphone 　　※ Sold as is. Please consider before purchasing. ✨️ - Presentations and lectures: Keeps both hands free 　Headset type is perfect for speaking with gestures ♫ - Fitness and dance instruction: Designed to stay in place even with vigorous movements, popular with instructors. - MCs and event management: Comfortable for long hours of use and provides stable audio. - Drum vocals and live performances: Wireless performance that supports a singing style while moving. - Educational settings and conference rooms: Stable audio transmission is possible with a communication distance of up to 90m even in a large space. ✅️ B-band compatible, no license required | 806MHz〜810MHz band, anyone can use it immediately ✅️ Auto-mute function | Automatically mutes when the signal is interrupted. Excellent for noise prevention. ✅️ Good balance of sound quality and distance | Maintains stable sound quality up to 90m. Suitable for indoor and outdoor use ✅️ Battery-powered, approximately 3 hours of continuous use | Operates with 2 AA batteries. Easy to replace.