Adjustable Extension Straps : Designed with versatile extension straps for a perfect fit on various body parts including knees, shoulders, elbows. The straps ensure comfortable, secure positioning during use. Rechargeable Battery : Equipped with a powerful 5000mAh battery, our massager offers up to 2 hours of continuous use without needing to be tethered to an outlet. Multi-Purpose Use : Ideal for arthritis knee pain relief, injury recovery, reducing joint pain, muscle stiffness, and joint swelling. Suitable for multiple body areas. Cordless Knee Massager : The freedom of movement provided by the cordless design allows you to use the massager comfortably while performing daily activities. Heating Pad with Vibration : Three temperature settings ranging from 45-60°C combined with vibrating massage provide therapeutic warmth and soothing vibrations for enhanced relaxation. Unwind after a long day with the soothing relief of our Adjustable Extension Straps Cordless Knee Massager. Designed to cater to the unique needs of your body, it ensures that every session is personalized and effective. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin