Relax, unwind, and soothe tired lower legs and calves with customizable compression massage. Boost circulation and speed up recovery with a choice of compression programs, intensity levels, and rapid heat. Modulair's tube and wire-free sleeves deliver superior, targeted pain relief any time, anywhere. Features: 2 active compression zones, 5 levels of intensity, 3 levels of soothing heat, 4 compression programs, rechargeable, 5-hour runtime, adaptive technology adjusts to fit most, soft-touch mesh fabric, ultra-quiet. Battery Type: Lithium Ion Measurements: 12.5 Height/Inches, 7.25 Length/Inches, 2.5 Width/Inches Base Material: 95% Acrylonitrile Butadiene Styrene, 5% Other 5% Or Less Care: Wipe Clean Country of Origin: Imported