This red light pillow has a built‑in 6000mAh rechargeable battery for cordless application. Free from power cords, it works conveniently at home, in the office or on the go with long‑lasting battery life. Flexible placement allows laying flat on beds or sofas, or secured to chair backs with elastic straps for stable fit in sitting or lying postures.Power on/off by long‑pressing the button for 2 seconds. Simple operation prevents accidental triggering and is friendly for the elderly. Multiple timer settings from 5‑30 minutes enable custom sessions with auto shut‑off for safe hands‑free treatment. Five brightness levels ranging from 60%‑100% let users adjust light intensity by personal tolerance. Gentle low modes soothe discomfort while high modes deliver deep‑level care for varied head and neck therapeutic needs.