This item is a Gold Rain brand stainless steel vacuum cup featuring a smart LED temperature display on the lid.
Technology: Double-wall vacuum insulation keeps drinks hot for up to 12 hours or cold for up to 24 hours.
Features: Integrated LED screen displays real-time beverage temperature.
Capacity: Typically available in 500ml or 600ml sizes.
Material: Constructed from durable 304 stainless steel.