Rapid Heat: Innovative ceramic heating technology activates heat within 20 seconds of being turned on, offering continuous heat therapy and rechargeability. Effective Fatigue Relief: Ceramic stone emits far-infrared rays that penetrate deeply into the skin, promoting blood circulation and effectively relieving muscle fatigue. Ergonomically designed, with a lightweight grip and two-position adjustment of 50-60 degrees, it's suitable for all-body use.