Usb Hand Warmer

28 usb hand warmer products are offered for sale by suppliers on Alibaba.com, of which foot and hand warmers accounts for 67%, hand warmer power banks accounts for 3%, and hot & cold packs accounts for 3%. A wide variety of usb hand warmer options are available to you, such as outdoor, household and hotel.You can also choose from living room, bedroom and garden usb hand warmer,as well as from overheat protection, light, and waterproof usb hand warmer,And whether usb hand warmer is battery, {2}, or {3}.