500ml sublimation blank speaker tumbler thermal water cup waterproof intelligent music tumblers with usb charger

this bluetooth water cup is very good recently. the 500ml capacity can meet daily drinking water needs, and a variety of colors are available. the appearance is simple and generous. the bottom is equipped with bluetooth and can be disassembled at will. it can be connected to mobile phone bluetooth to play music anytime, anywhere, and the operation is simple. it will glow after connecting to bluetooth, which is very beautiful. if you are interested, please come to consult. it may be out of stock at any time, so hurry up~