Water Bottle Electric Pump USB Charging Drinking Water Jug Pump 4 Keys Portable Intelligent Water Bottle Pump Dispenser

High density ABS plastic shell which is no toxic and no smell,and 304 stainless steel with Food grade silicone tube.Can be on-demand select 0.5L, 0.8L and 1.2Lrespectively quantitative water buttons.If you want to stop halfway to water,but light according to the open key to stop.