Posture Corrector Trainer with LCD Screen Back Straightener Alert

This smart posture trainer is the accessory you need to correct your posture. Upon detecting a deviation of 25°, it starts to vibrate. It features a built-in LCD screen to read the real-time of your posture* Material : ABS, nylon, polycarbonate * Color : dark grey * Adjustable : one size, unisex, elastic and flexible * Vibration alert in case of detected posture inclination * LCD screen : Counter with recordings * Button : On/Off *Refillable : USB charging (cable included) * Battery: Li-ion 3.7 V / 400 mAh * Approximate charging time: 1h30 * DC In : 5 V / 500 mA * Built-in zippered case * Dimensions : approximately 19.5 x 17x x 6 cm Functions : posture trainer Contents : 1 adjustable smart posture corrector, 1 instruction manual* Material : ABS, nylon, polycarbonate * Color : dark grey * Adjustable : one size, unisex, elastic and flexible * Vibration alert in case of detected posture inclination * LCD screen : Counter with recordings * Button : On/Off *Refillable : USB charging (cable included) * Battery: Li-ion 3.7 V / 400 mAh * Approximate charging time: 1h30 * DC In : 5 V / 500 mA * Built-in zippered case * Dimensions : approximately 19.5 x 17x x 6 cm Functions : posture trainer Contents : 1 adjustable smart posture corrector, 1 instruction manual