ZDKLL 2-Pack Rechargeable Magnetic Hand Warmers, Black 3 Heat Settings, 6000mAh Warmer with Digital Screen, for Camping, Hunting & Gifts

【2-in-1 Rechargeable Hand Warmers】This set comes with 2 symmetrical hand warmers. Snap them together to form a palm-sized heater for 360° all-around hand warmth. You can also use them separately: hold one in each hand, or share one with your family. Pocket-sized & portable, perfect for travel, hunting, golf, hiking, camping, skiing and more outdoor activities. 【Built-in AI Temperature Sensor Chip】Zdkll hand warmers adopt an integrated AI smart temperature control chip. It constantly detects the temperature between the warmer and your hands to automatically adjust heat output, delivering stable, comfortable and safe warmth. 【Up to 8H Heating Time】Each warmer has a built-in 3000mAh battery, bringing a combined 6000mAh large capacity. It provides up to 8 hours of lasting warmth in cold winter. Great for night use, outdoor work, winter walking and hunting. Especially suitable for people with cold-sensitive hands, such as Raynaud’s syndrome sufferers. 【Digital Display&Dual-head USB Cable】Clear digital screen shows real-time battery level and heating status at a glance. The included dual-head USB charging cable powers both warmers simultaneously to cut down total charging time.(Tip: Fully charge the unit before first use.) 【Fixed Anti-Drop Wrist Lanyard】Comes with a built-in wrist lanyard to secure the hand warmer on your wrist. No need to keep gripping it tightly. Frees your hands while skiing, hiking or commuting. You can also hang it on your backpack for easy carry.