Features 1.This intelligent posture corrector is made of high-quality silicone material, lightweight, durable, soft and skin-friendly, and comfortable to wear. 2.Our posture corrector can monitor posture in real time, with interesting interactive games and professional posture training courses, aiming to help you scientifically and effectively correct unhealthy postures such as hunchback while entertaining. 3.Aiming at the neck, back, waist and other major parts, our products tailor-made exclusive training courses for you to exercise back muscles and strengthen muscle memory. 4.The built-in high-precision motion sensor chip and smart gesture recognition algorithm can accurately capture posture actions in multiple scenes, remind them in real time, and correct postures. 5.This posture corrector helps to correct the wrong body posture of the back and shoulders, allowing you to improve your unhealthy posture and reshape the beautiful curve after 21 days of use. 6.Bluetooth APP design and one-key control make switching free and operation simple. 7.It is suitable for sedentary office workers, people with bowed heads, students, people with wrong sitting postures and cross-legged people. (Not available for children under three years old.) Note 1.This device is only compatible with Apple mobile phones and Huawei mobile phones. 2.This product is recommended to children and teenagers. 3.Please fully charge the device upon the first usage. 4.Please wear the device next to your skin, as clothes may cause inaccurate data. 5.While using the device, avoid sharp pieces from cutting the neck loop. Specifications Material: Silica gel Color: Black Size: 137*167mm (adult model) Weight: 0.061kg/ 0.148kg Packing size: 18.8*14.3*3.1cm Charging time: 1.5 hours Life time: 90 hours Packing List1* Hipee Intelligent Posture Corrector1* USB Charging Cable1* User ManualProducts from 's store