500ml sports thermos with smart temperature indicator. Vacuum insulated water bottle, up to 12 hours of heat maintenance. Blue

500ml sports thermos: • Vacuum insulated, up to 12 hours of heat maintenance and 24 hours of cold. • LED screen on the cap with temperature indicator. • Color LED indicator according to temperature: green, up to 31°C; orange, between 32°C and 56°C; red, from 57°C. • Internal filter for infusions, removable. • Long battery life, up to 500 days. Food grade materials, totally safe to contain drinks and food for human consumption. Meet standard: GB/T29606-2013