Venswell Rechargeable Hand Warmers 5200mAh Electric Portable Hand WarmerPower Bank Reusable Hand Warmer SingleDoubleSide Quick Heating Best Winter Gifts

Venswell 5200mAh Rechargeable Hand Warmers. Single/Double Sided Heating, just choose the right warmth for you. Let your winter be no longer cold. Ideal warm hearted gift to your friends, kids, lovers for Birthday, Christmas and Valentine's Day. Specifications -Material: Aluminum+ABS -Weight: 145g -Size: 12.4cm*6.5cm*2cm -Charging Time: 3 hours -Working Time: 3-4 hours Heating Temperature -Low temp - Green light, about 122-131?. -High temp - Red light, about 131-140?. 2019 New Design -Please use the button which printed "I" and "II". -Pull "I" is Single-Sided Heating, "II" is Double-Sided Heating. Button Operation Guide -Long Press: Start-up or shut down. -Short Press Once:Switch different Heat Modes. Multiple Function -Heat Therapy Function: Keep your hands, knees&feet, waist, shoulder, belly and back warm. Help to release pains,makes you feel comfortable and never worry about the cold winter. -Warm your hands at Fleecing Office, Hunting and Fishing, Camping and Hiking, Working in The Yard, Jogging or Walking . Package Includes -1 x 5200mAh Hand Warmers -1 x Micro Type-C USB Cable -1 x Instructions Manual -1 x Cloth Pouch with drawstring -1 x Gift Card Warranty - Please keep away from water.  - Do not charging and heating simultaneously. - When not using the product for long- time, please recharge it at least every three months. - Put on Cloth pouch to avoid burns when they get too hot for skin contact especially say on the wrists or behind knees where skin is thinner and more fragile. -Please take care of children when they using the hand warmer.