Stainless Steel USB Mobile Power Thermos, Smart Kettle with LCD Temperature Display Features: - LCD display shows real-time water temperature with a touch - Made of 304 stainless steel, safe and durable - Keeps liquids hot or cold for up to 12 hours - Mirror-finish design with LED screen to easily check internal liquid temperature - No need to taste or smell to test temperature, helping prevent burns - 360-degree leak-proof design with excellent sealing performance - Ideal for travel, outdoor sports, office, beach, school, picnics, yoga, hiking, camping, biking, running, walking, gym, and fitness - Long-lasting vacuum insulation blocks heat transfer - Built-in mobile power supply: charge your phone without carrying an extra power bank Product Specifications: - Product Name: Vacuum Bottle - Material: Stainless Steel, Silicone - Size: 20 x 6.5 cm - Capacity: 500ml - Battery Capacity: 2000mAh, 3.7V / 6.6Wh - Input: 5V 0.8A - Output: 5V 0.8A - Weight: 350g Package Includes: 1 x Vacuum Bottle with LCD Temperature Display and Mobile Power Function Note: Do not submerge the bottom of the cup in water or rinse it under running water, as this may damage internal electronic components.