Portable Foot Warmer, lining soft and thick Short plush material, Uniform fluff brings just the right warmth and soft touch, heats up quickly and dissipates evenly. It adopts high-tech heating material, safe and reliable. With USB port powered,can be connected to charging treasure charging head, plug and play, easy to use. 3 modes of temperature variable frequency adjustable: 38 degrees celsius, 42 degrees celsius, 55 degrees celsius. The silicone display protective cover is more secure. Lock temperature firmly, can keep your feet warm in cold weather, and protect your feet better. Specification: Material: PU Size: 31.6x22.6cm/12.44x8.90inch Package Includes: 1 Piece Portable Foot Warmer 1 Piece USB Cable Note: 1. Due to manual measurement, there may be a slight tolerance of 1-3cm. 2. Due to difference between different monitors, the picture may not reflect the actual color of the item.