Battery Included: Yes, with a robust 5000mAh capacity that provides prolonged heat for several hours, making it ideal for cold days. High-capacity battery doubles as a portable power bank, ensuring you stay warm while also keeping your devices . High-concerned chemical: None, ensuring safety and eco-friendliness, making it suitable for all users, including children and the elderly. : , combining advanced technology with traditional craftsmanship for a product that is both efficient and . This hand warmer is designed with user mind, free from harmful chemicals, ensuring a safe experience for everyone. Its meticulous attention to detail guarantees a high- that offers both style and utility, perfect for outdoor activities or everyday use during colder months. Enjoy the warmth and convenience it brings, whether you're , in the office, or . Color: Brown Material: ABS+Hardware Package Contents: 1x hand warmer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.