Comfytemp Red Light Therapy Pad — Choose Your Size FSA HSA eligible Ergonomic Adjustable Fit: U-shaped design

Ergonomic Adjustable Fit: U-shaped design fits neck curves perfectly

Portable Wireless Arm Relief: Built-in 2500mAh battery supports 2 to 3 hours cordless massage

Flexible Even Gel Filling: Keeps soft after freezing

Deep Penetrating Moist Heat: 2

4 Modes & Multiple Adjustments: 4 light modes and 9 levels meet personalized demands

Comfytemp Red Light Therapy Pad — Choose Your Size FSA HSA eligible Ergonomic Adjustable Fit: U-shaped designMulti size Professional Red Light Pad: Four sizes available to meet diverse body coverage demands. Dual Light Spectrum Therapy: Dual chip LEDs deliver 660nm surface red light and 850nm deep penetrating infrared light for comprehensive relief. Full body Applicable: Fits back, waist, limbs and more. Adjustable strap enables hands free use in various postures. Suitable for All Users: Perfect for elders, office workers and people needing daily body