Feature:1. Adjustable Dual Sided Warmth: This rechargeable hand warmer provides heat on both sides with three adjustable temperature levels, offering prolonged warmth for up to 10 hours on a single charge to keep you comfortable all day.2. LED Display and Night Light: Featuring a clear and easy to read LED display, this hand warmer also includes a night light feature, making it practical for finding your way in low light or enhancing visibility during nighttime outdoor activities.3. Lightweight and Portable Design: Compact and lightweight, this hangable hand warmer fits easily into your pocket, backpack, or purse, ensuring warmth is always within touch whether commuting, traveling, or enjoying outdoor activities.4. Winter Companion: Ideal for ice fishing, skiing, or hunting, this electric hand warmer delivers dependable warmth in the harshest conditions, making it an essential accessory for any winter adventure.5. Thoughtful and Practical Gift: Express your care with this practical and considerate gift. Ideal for holidays, birthdays, and special occasions, particularly as a Xmas gift to bring comfort and warmth to your loved ones.Specification:Item Type: Hand WarmerMaterial: ABSWeight: Approx. 155.00g/5.47ozBuilt in Battery: 4000mAh polymer li ion battery (included)Light Source: Warm lightControl: ButtonTemperature: Low (40 to 45℃), medium (45 to 50℃), high (50 to 57℃).Package List:1 x Hand Warmer1 x Lanyard1 x USB Cable1 x User Manual