✅ Smart knee massager – Built-in dual high-frequency motors with 3 intensity levels to relax stiff knee muscles and relieve tension.

✅ Adjustable heat therapy – 3 temperature settings (45℃/50℃/55℃) with fast heat conduction to keep knees warm and comfortable.

✅ Red light therapy – 16 embedded red light beads for deep knee joint care and muscle relief.

✅ Multi-purpose use – Can be used on knees, shoulders, and elbows for full-body muscle relaxation.

✅ Convenient & portable – Wireless design with 2400mAh battery, 10-minute smart timing, LED display, and easy one-click control, perfect for home, work, or travel.