Are you looking for a professional and Sitting Posture Corrector Sensor? Are you in search of a sturdy, trustworthy Posture Corrector Device? If your answer is positive, I would like to recommend our high-class sitting posture corrector sensor to you. Ergonomic design, real-time monitoring of sitting posture, vibration reminder mode, to cultivate children's correct sitting posture. Features -Color:Black -Material:ABS, Silicone -Size:12.47X13.80X11.90cm/4.90X5.42X4.68in -Rated Input:5V/1A -Rated Power:0.8W -Working Voltage:3.7V -Charging Time:2h -The posture corrector sensor can monitor kids sitting posture all the time, and cultivate children's correct sitting posture. -Sitting Posture Corrector is suitable for both girls and boys, can effectively protect their eyes. -Scientific hanging neck design, large space for arm movement, no pressure to write without hindrance, reject bad posture caused by hunchback. -This posture corrector can effectively help your kids form the right standing posture. -This product can be given as a great your friends and families. They will be very happy. Package list: 1 x Posture Corrector Sensor