Features： 1、Not Easy To Slide: Slippy side of straight posture reminder will be tightly attached to the back, and once it is put away, it is not easy to slide and move. 2、Easy Training: You are able to put electric humpback corrector around your neck and adjust it to the most comfortable position that suits you best. 3、Application Scenes: Electronic back posture corrector is very suitable for use in office or home to improve training efficiency to correct your posture. 4、Function: Monitoring posture reminder gets rid of children bad habit of bowing their heads to do homework and playing with their mobile phones. 5、Silicone Material: Interface of Intelligent posture corrector will not fall off, and the surface is covered with dust proof coating, which will not be stained with dust. Specification： Item Type: Straight posture reminder Material: ABS, silicone Battery: Lithium battery, model 602030(built in) Battery Capacity: 200mAh Package List： 1 x Straight Posture Reminder 1 x USB Cable