When sitting incorrectly or sitting for a long time, the device will "vibrate" to remind you to stand upright. If you need to take a break while using this device, you can double click this button to temporarily turn off the reminder mode for 30 minutes. Double click again to open the reminder mode. This app provides professional "posture training courses" and "exercise games". Regular exercise every day can help strengthen weak muscles and make it easier to maintain posture. Specification: Item Type: Smart Pose Correction Wizard Material: ABS Battery Type: Lithium Battery Battery Capacity: 600mAh (Shipped with Built In Battery) Use Time: 50h Charging Time: 1.5h Communication Method: Low Energy BT 4.1 and Above Temperature: -10? 55? Package List: 1 x Smart Posture Correction Wizard1 x USB Cable 1 x English Manual Note: Delivered with built in battery Ingredients defaultCOURSE TRAINING: Intelligent Posture Corrector and Trainer for Back is an interesting somatosensory exercise and professional posture training course, which helps you actively develop posture habits, improve overall temperament, improve visual height, and make you more attractive and confident. Helps you improve your posture naturally for long-term results. REAL-TIME REMINDER: Smart Posture Correction Vibrate Reminder has built-in high-precision motion sensor chip and intelligent gesture recognition algorithm to accurately capture gesture movements, real-time gesture reminders, and posture correction in different scenarios such as sitting, bending, writing, and standing. This app provides professional "posture training classes" and "exercise games". COMFORTABLE TO WEAR: The Intelligent Posture Trainer is different from ordinary posture correctors. It is a new and upgraded intelligent posture corrector, which is smarter and has no wearing feeling. It is light and thin at 62g, and it is as light and compact as a BT headset. Fun interactive games, break the traditional posture correction belt shape, and urge yourself to move in a more interesting way. FUNDAMENTALLY CORRECT POSTURE: Back Brace Posture Corrector uses sensor vibration reminders to straighten your shoulders, maintain correct posture through your own muscle strength, exercise your back muscles, and the device will "vibrate" to remind you to stand when you are sitting incorrectly or for a long time. Straight, radically relieves posture problems. REAL-TIME MONITORING: Smart Posture Corrector for Posture Tracking and Training monitors bad postures such as hunchback, high and low shoulders in real time through smart sensors, effectively helping to improve bad habits and posture. Regular daily exercise can help strengthen weak muscles and make it easier to maintain posture.