Smart insulated mug, 420 ml, with double-walled stainless steel construction and temperature display

1. TEMPERATURE DISPLAY: Thanks to its built-in smart chip, the insulated mug clearly displays the temperature, preventing any risk of burns. 2. DOUBLE LAYER: The insulated bottle features a double layer that keeps drinks hot or cold, while ensuring excellent leak-proof performance and heat retention. 3. STAINLESS STEEL: Made of double-layered stainless steel, this insulated mug is resistant to rust, corrosion, and high temperatures, offering a long lifespan. 4. TAMPER-EQUIPPED CLOSURE: The lid is equipped with an age-resistant silicone seal and a safety lock to prevent accidental opening. 5. BUILT-IN BATTERY: With a 420ml capacity, this insulated mug is ideal for outdoor activities. Its built-in 180mA battery provides long-lasting power. Item Type: Smart Insulated Mug. Materials: Stainless Steel, Silicone. Dimensions: Approx. 420ml. 19 x 6.5 x 6.5 cm / 7.5 x 2.6 x 2.6 inches Weight: approx. 285 g / 10.1 oz Capacity: 420 ml Integrated circuit model: 3827RG N V1.020201017 Battery model: CR2032 180 mA LED Lithium battery (built-in) 1 x Smart Insulated Tumbler