Stay hydrated with the LARQ PureVis 2 water bottle. The stainless steel water bottle features double-wall vacuum insulation to keep water cold for up to 24 hours. Its mercury-free UV-C LED technology purifies water and disinfects the interior, eliminating bacteria like E. coli. Smart sensors track your sips, while the LARQ app monitors your hydration patterns. | LARQ PureVis 2 680ml (23oz.) Self-Cleaning Insulated Stainless Steel Water Bottle with Smart Sensor - Green