BODYMAKER Posture Belt with Vibration Sensor, Posture Correction, Unisex AD005 Functionality confirmed. No box included. Will be packed compactly for shipping. Immediate purchase OK. The "Posture Correction Belt with Vibration Sensor" is a belt that uses a built-in smart chip to monitor angles in real-time. It is designed to alert the wearer by automatically sensing the angle of the back and vibrating, promoting correct posture when worn. The length of the elastic shoulder straps can be adjusted, making it usable by both adults and children, regardless of gender. *Posture Correction Belt with Vibration Sensor x 1, USB charging cable x 1, Instruction manual x 1 Immediate purchase OK.