Warm Hands Power Bank 2-in-1 Self Heating Portable Handheld USB Intelligent Digital Display Features: 【 Three second heating】 Equipped with ALTC aluminum heat transfer technology,Maintain uniform and efficient conduction of temperature to the skin. 【Comfortable grip, suitable for palm size】 The design curve is natural, and the product material is delicate and soft. 【 Visual digital display, more convenient to use】 Intelligent digital display gear, more convenient to operate. 【 Small and convenient, with warmth to grasp】 Small and exquisite, it does not take up space and can be directly put into a bag for carrying when traveling. 【 Four temperature options】 Choose the temperature according to the environment. The first level temperature is 45 ±5℃, the second level temperature is a medium temperature of 50 ±5℃, the third level temperature is 60 ±5℃, and the fourth level temperature is 60 ±5℃ 【 Seconds to Power Bank】 can bring warmth and also provide emergency charging for mobile phones. Product Description: Product Name: Warm Hand Treasure Product color: brown Product material: ABS+silicone Product function: Four speed digital display, small night light Rated input: 5V/2A Battery capacity: 2400mAh Package size:15×9×6cm/5.9×3.5×2.4in Package weight:130g/0.29lb Product List: 1 × Instructions 1 × Charging cable 1 × Warm Hand Treasure 【 Three second heating】 Equipped with ALTC aluminum heat transfer technology,Maintain uniform and efficient conduction of temperature to the skin. 【Comfortable grip, suitable for palm size】 The design curve is natural, and the product material is delicate and soft. 【 Visual digital display, more convenient to use】 Intelligent digital display gear, more convenient to operate. 【 Small and convenient, with warmth to grasp】 Small and exquisite, it does not take up space and can be directly put into a bag for carrying when traveling. 【 Four temperature options】 Choose the temperature according to the environment. The first level temperature is 45 ±5℃, the second level temperature is a medium temperature of 50 ±5℃, the third level temperature is 60 ±5℃, and the fourth level temperature is 60 ±5℃ 【 Seconds to Power Bank】 can bring warmth and also provide emergency charging for mobile phones.