The LARQ Bottle is the world's first self-cleaning water bottle. It uses innovative non-toxic mercury-free UV-C LED technology to purify water and clean the bottle's interior surfaces by eliminating odor-causing bacteria and viruses. Bacteria and viruses are eliminated. Clean Water in 60 Seconds - Works at the touch of a button and cleans itself by intelligently activating every 2 hours to keep your bottle fresh and odor free. Keeps water cold for 24 hours and hot for up to 12 hours with double-wall insulated stainless steel construction. Rechargeable USB Li-polymer battery lasts up to a month on a full charge for self-cleaning. Charge using the waterproof MicroXB connector with IPX7 protection (MicroUSB to USB charging cable included). The LARQ Bottle is a travel-friendly insulated stainless steel water bottle (17oz / 500 ml) with a luxurious two-tone powder coating and matte finish.