The customer comes first! If you have any dissatisfaction with the product, we support full refund within 30 days! Rechargeable Hand Warmer 2 In 1, Portable Hand Warmer, Great For Outdoor Sports, Hunting, Camping, Golf, Warm Gifts Features: Widely used: In cool winters, it can be used as a hand warmer for warmth and as a to relieve fatigue induced pain. Quick heating: Press and hold for 4 seconds to activate the heating function of the hand warming device, without the need for prolonged waiting. Mobile power supply: Equipped with a large capacity battery of up to 5000mah, it is compact and lightweight, and can be used as a portable charging power supply, making it convenient for you to charge your phone during camping, hiking, and picnics. Battery indicator light: indicates the battery, providing warmth with just one click Adjustable temperature: There are two temperature for you to control and adjust, the first is 48 ° C, the second is 52 ° C, and it can warm your hands for 6-8 hours Product Description: Color: green Material: ABS, aluminum alloy Power supply : lithium battery Heating : electric film type Rated voltage: 2 Rated power: 5 Internal battery capacity: 2000mAh to 4000mAh Viflosae Rechargeable Hand Warmer 2 In 1, Portable Hand Warmer, Great For Outdoor Sports, Hunting, Camping, Golf, Warm Gifts Electronics Gadgets Deals of the Day Clearance Widely used: In cool winters, it can be used as a hand warmer for warmth and as a to relieve fatigue induced pain. Quick heating: Press and hold for 4 seconds to activate the heating function of the hand warming device, without the need for prolonged waiting. Mobile power supply: Equipped with a large capacity battery of up to 5000mah, it is compact and lightweight, and can be used as a portable charging power supply, making it convenient for you to charge your phone during camping, hiking, and picnics. Battery indicator light: indicates the battery, providing warmth with just one click