Neck cooler using a Peltier element, black, with dual-wind cooling function. I purchased this to combat the extreme heat, but I didn't use it much, so I'm selling it. This is a used item, so please refrain from purchasing if you are concerned. Please note that the USB charging cable is not included. - Model Name: TKNC239SBK - Color: Black - Included items: Charger, battery - Instruction manual: Included Thank you for looking.