Portable thermos tatic water cup second generation

1. 500mL Large Capacity | Always Hot Water on the Go Carry ample warm water wherever you go — perfect for travel and outings. 2. 5-Layer Thermal Lock Structure | Extended Heat Retention Built with 316 inner liner + copper-plated insulation + vacuum compression layer + 304 stainless steel shell + painted coating for superior insulation. 3. Precision Wide-Range Temp Control | 35–55°C, 1°C Steps Adjust freely within 35–55°C in 1°C increments, or use quick-select presets (35/40/45/50/55°C). 4. High-Capacity Battery | 4×2600mAh Lithium Cells No power outlet needed — ideal for preparing milk outdoors with cordless convenience. 5. 65°C Pasteurization Mode | Built-in Cup Disinfection Sanitize the inner cup easily using the pasteurization function. 6. Supports Fast Charging | Full Charge in 2 Hours Compatible with fast-charging adapters (sold separately; not included in the package). 7. TDS Water Quality Detection Monitor water purity in real time with the built-in TDS sensor.