The first picture is a product picture, the other pictures are sample displays Note: The actual packaging box may be different from the one shown in the picture Newest Posture Corrector: Smart posture corrector can help you to correct bad posture habits and relieve pain in your neck back and shoulder, you will be more confident with your head high. Automatic memory function, intelligent induction of incorrect posture, hump bent over 15，immediate vibration reminder, automatic training of muscle upright habit. Scientific Correction Cultivate Body Memory: Two hours a day, 21 days a trial, to change bad habits develop an upright posture. Scientific correction, Open shoulders and Straight back, corrector is flexible to protect and help children grow up. The Design of 8-shaped Shape: It is in accordance with Ergonomics, The shoulder strap is made of porous mesh, which fundamentally improves breathability without sultry. The innovative design is ergonomic and fits the body curve. The shoulder strap is easy to adjust,it is stable and does not loosen. And the strap uses a high-elastic nylon belt for better elasticity and more comfort, which for kids adults, women and men. The position of the switch on the back is convenient. Long Time: Back corrector uses a 500mAh polymer lithium battery and can be used for about 15 days after 2 hours charging, it is easy to charge by connecting USB cable. Switch has indicator light, constant red light means normal charging, constant blue light means full charged / normal working. If you can't turn on the reminder, please charge it for 10 minutes first. For You: If you have any problem with the product, you can contact us at any time. We will reply to you no more than 24 hours(Mostly under 12 hours). If you have connection problem, you can contact us at any time "