1. Flexible Temperature Control: Achieve the perfect temperature every time with our intelligent constant temperature chip. Customize your comfort with three temperature settings, low 45, medium 55, or high 65 2. With Night Light: But also as a power bank, this portable hand warmer not only warms your hands, but can also charge your mobile devices. Stay warm and connected outdoors with ease 3. 2400mAh Battery: Can be used as a mobile power source, the built-in 2400mAh battery not only charges your phone but provides over an hour of sustained warmth, making it the perfect 2-purpose heating and charging solution for cold winter days 4. Comfortable to Hold: Crafted from high-quality ABS material and featuring an ergonomic arc design, this portable hand warmer is comfortable and easy to hold, non-slip, wear-, and perfectly fits your palm 5. Thoughtful Present: Keep your loved people warm and cozy no matter where they are. Our portable hand warmer is the perfect practical and thoughtful present, delivering daily surprises and blessings to your family and friends Our pocket hand warmers offer continuous power for over an hour, keeping you warm in low temperatures (45). Not just hand warmers, its non-slip, wear- design gives daily surprise warmth, anytime and anywhere. Product name: portable hand warmer Product size: about 8x8x5.5cm/3.15x3.15x2.17 inches Product weight: about 180g Gear adjustment: three-gear temperature Charging interface: Type-C Battery capacity: 2400 mAh Heating temperature: 45/55/65 Type-C input: 5V-1A Output power: 5W-7W Voltage: 3.7V Power supply: USB Colour:White Material:ABS Package Contents: 1 * portable 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.