Silicone Children Kids Sitting Posture Corrector

This kind of sitting posture corrector is nice for helping your kids build well habit in reading and writing. Easy to install and convenient to use. What are you waiting for? Just come and buy.

Features:
Nice for correcting kids sitting posture, p-revention of myopia, nice s-pine p-rotection for growing while using.
Made of superb ABS material, enurable and long-lasting, smooth surface without harm to your kids.
Adjustable support height from 160mm to 190mm(Type 1)/ 170mm to 230mm and 220mm(Type 2& Type3) length of support board design, providing you suitable visual angle.
(Type 3）
Comes with 2 high bright LEDs deisgn for better illumination while studying and it is stepless dimmable, intelligent voice function for informing you to adjust your sitting posture and visual angle, built-in 1 * 5v 1200mAh high capacity rechargeable cell, flexible to be charged by laptop, desktop, p-ower b-ank.
Easy installation without any completed accessories and professional skill, user-friendly.
Widely applications in office/ home/ school use etc.

Specifications:
Types: 3 (Optional)
Color: Blue/ Pink(optional)
Material: ABS
Clamp clip width:80mm(Max.)
Support length:220mm
Support height: (Adjustable)Type 1:160-190mm/Type 2& Type 3:170-230mm(Optional)
Lighting Informations of  Type 3:
Light source: LEDs
LEDs quantity: 2
Light color: White
Stepless dimmable: Support
Cell:1 * 5V 1200mAh rechargeable cell
Package size:
Type 1: 230 * 175 * 115mm/ 9.1 * 6.9 * 4.5inches(Length * Width * Height)
Type 2: 485 * 335 * 100mm/ 19.1 * 13.1 * 3.9inches(Length * Width * Height)
Type 3: 487 * 337 * 100mm/ 19.1 * 13.1 * 3.9inches(Length * Width * Height)
Package weight: 
Type 1:420g/14.8ounces
Type 2:1380g/48.7ounces
Type 3:1500g/52.9ounces

Packing List:（Optional）
(Type 1 & Type 2):1 * Sitting Posture Corrector
Type 3:
1 * Sitting Posture Corrector
1 * USB cable