Premium stainless steel vacuum insulation for 24-hour temperature retention

Smart LED display instantly shows real-time liquid temperature with one-touch operation

Military-grade 18/8 steel construction with double-walled copper plating for maximum heat efficiency

Sleek brushed finish with ergonomic silicone grip and leak-proof swing lid design

Ideal for office commuters, outdoor adventures, and fitness enthusiasts needing precise hydration control

BPA-free food-grade materials with advanced oxidation resistance technology

Large-capacity 500ml version maintains optimal drinking temperature during extended use

Commercial-grade durability tested for 10,000+ open/close cycles and 1.5m drop resistance

Patented microcomputer chip ensures accurate ±1°C temperature readings

Includes USB-C rechargeable battery with 30-day standby time and low-power alert