Posture trainer back with vibration - Purpose and fit: straight back straightener electric back strap for children, men, and women. - How it works: the device vibrates when the back is bent more than 25 degrees to help correct poor sitting and standing posture. - Battery and duration: battery capacity 400 mAh; can be used for 360 hours on a full charge. Back posture correction - Function: intelligent vibration back strap with back stabiliser adjustable back support for children and adults. - Benefit: the Smart Posture Corrector promotes long-term muscle memory, so you can stay upright even without the corrector. Electronic posture correction - Purpose: helps improve poor sitting posture and humping problems. - Health impact: the back brace helps regain proper posture, which can help prevent back, neck and shoulder pain. Back support belt - Comfort and wear: lightweight and breathable, providing a comfortable fit. - Benefits: supports health while radiating confidence and elegance. - Target users: this intelligent neck posture corrector is ideal for office workers and adolescent children who often sit in a bad posture. Use scenarios - At a desk or during study: wear the device to maintain an upright posture while working at a computer or reading for long periods. - While commuting or traveling: use it to reduce slouching during long drives, flights, or public transport. - In meetings or screen time: wear it to minimize reclined or hunched posture during extended discussions or digital tasks.