new open box. never been used DUAL THERAPY: Features both heat therapy (40-75°C/104-167°F) and 3 vibration massage modes for comprehensive shoulder pain relief and muscle relaxation TEMPERATURE CONTROL: Digital display shows precise temperature settings with 3 levels - low, medium, and high for customized heat therapy MASSAGE MODES: Choose from continuous, intermittent, or slow vibration modes to target different types of shoulder discomfort and muscle tension VERSATILE RELIEF: Effectively helps with various shoulder conditions including frozen shoulder, stiff joints, and rotator cuff discomfort Ergonomic & Safe Design: Adjustable shoulder brace with rechargeable functionality and easy-to-use digital controls for convenient operation,Flexible shoulder wraps fit all sizes. Breathable, hypoallergenic fabric + overheat protection.