Xpreen Posture Corrector for Kids Women Men - Upper Back Support with Intelligent Sensor Vibration Reminder, Adjustable Brace for Back Pain Relief, Fits Chest Size 25 - 43" Walking Stick Turned the ON/OFF switch at

Turned the ON/OFF switch at the bottom to "ON" position

Excellent Battery Offers 60 Mins Ultra Long Flying Time

Contrast Ratio:3000:1

Usage scenario:

it can be connected to applications

Xpreen Posture Corrector for Kids Women Men - Upper Back Support with Intelligent Sensor Vibration Reminder, Adjustable Brace for Back Pain Relief, Fits Chest Size 25 - 43" Walking Stick Turned the ON/OFF switch atSpecifications: Product Name: Smart Posture CorrectorColor: BlackMaterial: High strength Nylon Belt; ABSBattery capacity: 400mAhCharging port: USBFunction: LED Screen, Spine Correction, Chest Expansion, Improve Hunchback, Prevent Rickets, Protect EyesightCustom Angle, Smart CountingSuitable for the crowd: Children Adults Features: 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