WHAT IT IS The LARQ Bottle is the world\'s first self-cleaning water bottle and water purification system. It uses UV-C LED light to eliminate up to 99.9999% of bio-contaminants from your water and bottle. • Built-in UV-C LED • Double-wall insulated to keep water cold for 24 hours and hot for 12 • Electropolished 18/8 stainless steel (BPA free) • Rechargeable lithium-polymer battery • MicroUSB connector • Proprietary powder coating WHAT IT DOES The LARQ Bottle is the world\'s first self-cleaning water bottle and water purification system. It uses UV-C LED light to eliminate up to 99.9999% of bio-contaminants from your water and bottle. Keeps water could for 24 hours and hot for 12. Built-in UV-C LED Electropolished 18/8 stainless steel (BPA free) Rechargeable lithiumpolymer battery MicroUSB connector Proprietary powder coating. HOW TO USE IT1. Fill up anywhere - The LARQ Bottle gives you the power to take pure water with you everywhere you go.2. Press the cap to get purifying - Tap = Normal Mode (1 min) and Double Tap = Adventure Mode (3 min).3. And viola! - Enjoy pure water from a clean bottle. It\'s that simple. SPECIFICATIONS• Rechargeable lithium-polymer battery - charge once a month for two hours with the provided MicroUSB connector.• LARQ offers a 1-year limited warranty on all bottles purchased from authorized retailers. The warranty covers the repair or replacement of any defective material or component. In the rare case that we are unable to repair or replace the defective material or component, we will submit a refund. It does not cover any issues due to normal wear and tear, misuse or loss/theft of the bottle. To submit a warranty claim, please contact Customer services and fill out the Warranty Claim Form.