Unique design: The only square minimum size 2in1 electric hand warmer on the market, smooth surface, ergonomic design, large area heating area, with hand rope portable, stylish electric hand warmer. Super compact and portable: only 0.4 inches thick, a single weight of only 2oz, compact 60 by 60 mm, just the right size to fit in the palm of your hand. It can easily fit into gloves, pockets and purses, and enjoy warmth anytime and anywhere Instant, long-lasting heat: Feel instant warmth in 3 seconds with 3 adjustable heating Settings up to 131 ° F. This hand warmer provides up to 8 hours of continuous heating to keep your hands warm on cold winter days and also relieves pain caused by Raynaud's. Safe, Reliable Quality: The use of safe temperature control chips, through various safety certification and factory testing, to ensure compliance with safety and standard quality, enhance multiple protection, more secure and durable. The Perfect Thoughtful Gift Idea: Perfect for cold commutes, outdoor recreation, hunting, and watching ball games, these electric hand warmers make thoughtful winter gifts for men or women who feels the cold. Perfect for Christmas, birthdays, or any occasion Magnetic rechargeable pocket hand warmer with three levels of adjustable temperature Settings for quick heating in 3 seconds. Single size :L2.3*W2.3*H0.4in, weight 132 grams, large area heating surface. Very portable pocket hand warmer. The electric hand warmer has passed UL, FCC and CE safety certifications and meets aviation standards. Suitable for travel, golf, dog walking, fishing, skiing and other outdoor activities, is the perfect choice for women, men Christmas gifts, birthday gifts