USB heater, Electric heating pad, Pad heater, Thermal heater, Heated mobile feature. **WATERPROOF DESIGN** – Features a silicone switch and waterproof construction. Easy to clean and can be washed with water. **INSTRUCTIONS** – Press and hold for 5 seconds to turn on. Equipped with a 3-gear thermostat for adjustable temperature control. **WORKING CONDITIONS** – Heating power requires a 5V voltage with a USB interface, available in 1A or 2A options. Heating time: approximately 30–40 minutes to reach desired temperature. **HEATING PERFORMANCE** – When wrapped in clothes, bedspreads, or pillows, the device can reach 40–45°C within 20 minutes. When exposed directly to air, the temperature may reach about 35°C after 30–40 minutes (from room temperature > 10°C). **LONG USB CABLE** – Includes a 1.5-meter USB extension cable for added convenience. **VERSATILE USE** – Ideal for warming the shoulders, neck, waist, back, abdomen, cushions, or pet beds. **DETAILS** – Thickness: 0.5–2 mm. Size: approximately 10 x 20 cm. Surface temperature range: 30–60°C. Washable design with timer function. **PACKAGE CONTENTS** – 1 x Heating pad.