Double-sided rapid heating You can get 1 hand warmer, 1 USB charging cable, and 1 portable cloth bag. The rechargeable hand warmer adopts double-sided heating design, which can quickly heat up in 3 seconds. Constant [104~113 (40~45)], [113~122(45~50)], 122~140(50~60)], 3 levels of temperature adjustable, warm hands in the cold winter. 10000mAh Large CapacityNewest fashion for winter 2021, quick hand warmer with USB charging port, 10000mAh upgrade high capacity can provide continuous heating for 6-10 hours, long using time. With enough capacity to provide more than two charges for your electronic device at any time, which is the perfect portable charger on the travel. Lightweight & Smooth SurfacePocket size(112*64*33mm), comfortable and small, suitable for your hands to hold. Safetable and smooth warm surface, easy to carrying anywhere while sporting,fishing, hiking, camping, skiing, travel or play outdoors sports. How To Use & Imporabt NoticeKeep press the power botton in 3 seconds and instantly release the warmth for you,single -click flashlight,double-click display power,three-click vibratio massage. Be used to warm hands,waist, stomach , feet and knees in low temperature environment. Please do not chraging and heating simutaneously, please stay away from water and fire. When in high temperature, please do not touch it with skin directly to prevent burns. Great Gift for Her Best Gift for your love, when the menstrual period of the goddess comes (vibration massage helps to recover the menstrual period and warm the palace, 40 warm palace, 50 menstrual care, 60 dysmenorrhea gospel). If you any question about your purchase, please contact us immediately.