Product Details Whether you sit or stand all day, slouching is common. Change your posture with this posture corrector that monitors your upper body's angle in real-time, automatically vibrating to remind you to correct your stance when hunching. INCLUDES 1x Vibrating Posture corrector 1x USB cable DIMENSIONS 4.7" X 1.2" X 6.5" HOW TO USE Adjust strap to appropriate length. Straighten your back and press the power button. Keep correct position once the sensor vibrates twice. When you lose posture and slouch more than 25 degrees, the sensor will vibrate to remind you to stand up straight. MATERIALS ABS + Elastic Nylon COUNTRY OF ORIGIN China