* Usa this product only for its intended use, as described in this guide. # This product uses a built-in Lithium battery. To avoid overheating, fire, or explosion, keep away from extreme heat. Before discarding, remove the battery and safely dispose of it. Recommended use for adults and children ages 8 and over. “Young children should be supervised when using this product. #This product is not suitable for people with pacemakers or other internal medical devices.