Crafted from food-grade silicone and imported ABS, this posture corrector offers comfort and durability. With a sleek black design, it's both stylish and functional. Measuring 18.514.52CM and weighing just 90g, it's lightweight and easy to wear. The built-in battery lasts approximately one week with four hours of daily wear, offering convenience and reliability. Rated input of 5V/1A ensures efficient charging, while the 200mAh/3.7V battery capacity provides lasting power. Perfect for improving posture and reducing neck hump, this device is suitable for adults and kids alike.