1. Fast heating with 3 adjustable heat settings. Choose from three heat settings for comfort. With rapid heating technology, you can enjoy soothing warmth in seconds, helping to ease tension in the neck and shoulders. 2. Provides targeted warmth for the neck and shoulders. This heating pad helps relieve muscle tension, cramps, and discomfort. It promotes improved blood circulation and reduces stiffness in the neck, shoulders, and upper back. 3. Convenient and USB-powered. No power outlet required. Simply connect the pad to a portable power bank (not included) using the USB cable for use at home, in the office, or on the go. 4. Lightweight and comfortable. Made of soft cotton material, the heating pad conforms to your body shape. It is comfortable to wear and designed for all-day use without bulkiness.