[RẺ VÔ ĐỊCH] Đai Đeo Chống Gù Lưng Thiết Kế Xương Lưng Cứng Cáp Dễ Dàng Sử Dụng Điều Chỉnh Tư Thế Tại Nhà

OUTSTANDING FEATURES: Adjusts standing and sitting posture to not affect the spine and prevent pain, hunchback, specialized for office workers, students who sit and study a lot. There are 02 steel support bars at the back. Quickly frees you from back pain thanks to the maximum support for shoulder and neck activities. Convenient and easy to use: light weight, high-quality materials in modern design and maximum adaptation to the body. Magnetic field helps relieve pain in the lumbar spine and promote blood circulation. Many sizes suitable for children, adults. Useful when sitting to work, study, play sports. comfortable to wear every day. INSTRUCTIONS FOR USE: Just wear it for 2-4 hours a day and wear it fully. Diligently wear it every day for a short time, muscle memory will automatically form even when you do not wear the belt. The body will adjust itself and become healthier very naturally. TÍNH NĂNG ƯU VIỆT: Điều chỉnh dáng đứng và dáng ngồi thẳng để không ảnh hưởng cột sống và phòng