Split-type Magnetic DesignUnder the attraction of super magnetic force, 2*2600mAh hand warmers can combine into a palm-sized also easily separated to fit into two pockets of jacket or gloves. You can use one in each hand or share this warmth with your family. Pocket-friendly, Compact BodyAs lipstick size, easy to slip into your pocket or your pack. Cylindrical body ergonomic design for easy grip, emanating constant heat while keeping your blood flowing. Ultimate Comfortable Heating Made of premium aircraft-grade aluminum with a polished silicone surface that heats up in 3s while you feel comfortable,3 levels adjustable heats up quickly to 126AdegF, also we simplify your operation by remembering the previous level of heat you selected and switching to it the next time you use it. Superior SafetyQuality and safety are our top priorities, equipping with advanced safety chips, smart temperature control, and durable ABS material that work together to prevent overcharging, overheating, or short-circuiting. It has UL/CE/FCC certified after rigorous testing to ensure user safety. Warm Winter Gifts For people who always complain about the cold, whether you&';re a sports enthusiast or winter commuter, especially for Raynaud&';s arthritis sufferers who need heat therapy. It&';s a perfect gift to bring the warmth of fingertips to their hearts on Christmas and anniversaries. Battery capacity 2,600mAh*2 Charging Time 1.5 Hours * 2 Running Time 4-6 Hours * 2 Item Weight 149 Grams Size 8.6*2.7*3 cm