Practical Gift Idea with Warranty: An excellent device for men and women with arthritis, adjustable to fit different body sizes. Ideal as a Christmas, Thanksgiving, Fathers Day, Mothers Day, or everyday gift for mom, dad, family, friends, teachers, and loved ones. Show your care and appreciation. The massager comes with a one-year warranty for free replacement if damaged under normal use. Feel free to consult us with any questions. Versatile 3-in-1 Design: Ergonomically designed to fit your joints, this massager ensures comfort and stability during use. The 3-in-1 design allows it to be used not just for knees but also for shoulders and elbows with the included straps. Enjoy heating and massage for your shoulder, elbow, and knee all in one device. Upgraded Touch Controller: The new digital display is easy to use. Long press the button for 3 seconds to turn the massager on/off. Secure the heating pad to your knee, elbow, or shoulder. Touch the vibration/temperature button to activate the function, and touch again to adjust intensity. The on/off button locks the settings to prevent accidental changes. Cordless Convenience & Long Battery Life: Say goodbye to tangled wires! With a built-in 3000mAh battery and magnetic control panel, this arthritis knee brace offers wireless operation. Charge the control panel with a Type-C cable, attach it to the brace, and use it anywhere. Perfect for work, study, sleep, or chores, it suits both elderly and young users. Personalized Massage: The YUANBO heated massager features two vibration motors and three heating levels (Low: 113/45 to 131/55, Medium: 132.8/56 to 149/65, High: 150.8/66 to 158/70). With three vibration modes, it offers great relaxation and comfort for your knee, elbow, and shoulder, boosting circulation and relieving cramps.