Back Shoulder Spine Posture Corrector Color:L Long pressing allows switching between

Long pressing allows switching between display modes to show remaining battery power and indoor temperature (switchable between Celsius and Fahrenheit)

High Transmittance Optical Lens: The blue-coated lenses can effectively prevent the influence of blue light

Product color and color box can be customized

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Input:5V / 2

Back Shoulder Spine Posture Corrector Color:L Long pressing allows switching betweenOverview: 1. The thin and lightweight material is breathable and sweat absorption for comfortable wearing all day long. 2. With hook and loop, it can be adjusted to better fit your body. 3. Form the correct seating posture, protect eyesight, and prevent short sightedness. 4. Force the shoulder to be extended fully. 5. Decrease your shoulder and waist pain and improve humpback to shape a nice looking figure. 6. Suitable for workers, teenagers, and