Portable U-Shaped Multifunctional Electric Heating Hand Warmer Cervical Vertebra Instrument Winter Warm USB Charging Description: 100% brand new and high quality Features: Long-lasting heating and battery life with maximum energy, and minimal increases in weight. Comfortable touch, compact and portable, a must-have outdoor heating gadget for autumn and winter. Smooth and double-sided warm surface, pocket size, curvy body, sleek and lightweight, silicone corner protection anti drop. Parameter: Working voltage: DC5V Working current: heating3000mA10% USB output: 3500mA10% Use power: 18W Battery capacity: 10000mAh Input voltage: DC5V Battery power: 37W Specification: Type: U-Shaped Hand Warmer Material: PVC Applications: for Fall Winter Outdoors Features: U-Shaped Hand Warmer, Cervical Vertebra Instrument, Quick Charge Winter Warm, USB Charging Power, Portable Long Lasting, Winter Outdoors Gadget Dimension: app.16.68x18cm/6.56x7.08in Color: Green, White, Pink (optional) Quantity: 1 Pc Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 Pc x U-Shaped Hand Warmer