Adjustable Training Humpback Corrector

Feature: Product Name: Smart Posture Corrector Color: Grey Weight: 100g Material: High-strength Nylon Belt; ABS Battery capacity: 500mAh Charging port: USB Function: LED Screen, Spine Correction, Chest Expansion, Improve Hunchback, Prevent Rickets, Protect Eyesight Suitable for the crowd: Children/Adults Description: - SAY GOODBYE TO BACK OR NECK PAIN- Do you have to work long hours in front of a computer or do you have discomfort and soreness in your back and shoulders? The smart posture corrector aims to relieve chronic back    and prevent hunching, slouching, scoliosis or ‘computer posture’. Push your shoulders back and align spine to enjoy your pain-FREE life! - SMART VIBRATION WARNING TO BUILD YOUR CONFIDENCE: Based on Ergonomics design, Our Posture Brace ensures alignment and stability.It will vibrate to remind if the back is over 25°,With our back straightener a few      days on to develop your muscle memory.  - EFFECTIVE AND COMFORTABLE - Our back brace, coupled with physical