Travelfriendly design: Our knee massager with heat and vibration is lightweight and portable, ideal for relaxation outdoors. Easy to carry, enjoy a soothing massage anywhere, anytime, at home or away. Easy to use: Features a simple, userfriendly control panel. Easily adjust temperature and vibration intensity for tailored comfort. Joint massager features: Infrared electric massager with wireless knee support and heat settings. Suitable for sports injury recovery and elderly joint care at home. Dimensions: 22.44 x 19.09 x 11.22 inches. Heating circulation: Builtin intelligent heating system gently warms to enhance the heating function and relax nerves effectively. Key benefits: Delivers targeted knee relief, supports improved circulation, reduces stiffness, and provides convenient onthego therapy for daily joint care. Use scenarios: Postworkout recovery: Soothe knee muscles and reduce stiffness after running or cycling. Travel and commuting: Maintain knee comfort during flights, car trips, or long journeys. Athome elderly care: Support daily joint mobility and comfort as part of a regular routine. Specifications and performance notes: Wireless operation with adjustable heat and vibration settings, designed for ongoing knee care at home or on the go.