Smart LED Temperature Display: Real-time temperature indicator on the lid lets you monitor your beverage’s exact temperature for the perfect sip every time. Double Wall Vacuum Insulation: Advanced vacuum insulated stainless steel construction keeps drinks hot or cold for hours, ensuring long-lasting temperature retention. Premium 304 Stainless Steel: Made from high-quality, food-grade stainless steel for durability, corrosion resistance, and fresh taste without metallic aftertaste. Generous 500ml Capacity: Ideal size for daily hydration, suitable for both hot coffee, tea, and cold water or beverages. Sleek Modern Design: Stylish, minimalist tumbler available in multiple colors, designed to fit most car cup holders and backpack pockets for easy, on-the-go use. Versatile & Portable: Perfect for indoor and outdoor activities such as office use, hiking, commuting, and gym sessions.