USB Charging, Portable, No Water Heating, Fast Heating Of Hands And Feet, Four Speed Adjustment, Hand Warming Treasure Features: 【 Quick heating】 Heating time is fast, allowing for a faster feeling of warmth. 【 Fourth gear temperature, adjustable according to your preferences】 Multiple gear temperature selection, first gear 35-45 ℃, second gear 50-55 ℃, third gear 60-65 ℃, fourth gear above 65 ℃. 【 Skillful appearance design】 The appearance design allows the palm to be fully grasped, providing a comfortable grip and a large hot compress area. 【 Small size without occupying space】 Small size, easy to carry, warm all winter. 【 One click control, easy to get started】 No need for too many steps, long press to turn on the power and heat up. Product Description: Product Name: Warm Hand Treasure Product colors: purple Product material: ABS Rated power:0.3-1W Rated voltage: 5V Battery capacity: 1200mAh Charging form: USB Package size:9.4×9.4×6.4cm/3.7×3.7×2.5in Package weight:120g/0.26lb Product List: 1 × Instructions 1 × Charging cable 1 × Warm Hand Treasure 【 Quick heating】 Heating time is fast, allowing for a faster feeling of warmth. 【 Fourth gear temperature, adjustable according to your preferences】 Multiple gear temperature selection, first gear 35-45 ℃, second gear 50-55 ℃, third gear 60-65 ℃, fourth gear above 65 ℃. 【 Skillful appearance design】 The appearance design allows the palm to be fully grasped, providing a comfortable grip and a large hot compress area. 【 Small size without occupying space】 Small size, easy to carry, warm all winter. 【 One click control, easy to get started】 No need for too many steps, long press to turn on the power and heat up.