Intelligent OLED Touch Screen: OLED touch screen in the lid of thermos bottle has some functions: 1. Temperature display, 2. Precise timing, 3. Finger guessing. Enjoy a refined, intelligent and comfortable living experience. 6 hours hot - 5 hours cold and leak-proof: Stainless steel insulated cup has double-walled vacuum insulation for maximum temperature retention. (6 hours hot over 42 C, 5 hours cold below 10 C). Airtight lid protects against leaks. Do not worry about running water on your table or in your bag. Expandable accessories: The fine mesh brewer with 200 mesh (0.074 mm diameter) for food grade allows fine filter the coffee power. The material protects against coffee stains, making it very easy to clean and reusable for a long time. Perfect water recovery at any time: Sports water bottle is ideal for the gym, yoga, athletes, travel, hiking, cycling in the office or school, at work. With filter you can enjoy coffee or tea. However, cocoa, milk coffee and other liquids are also suitable. Best gift for party / festival: Food grade stainless steel water bottle is free of BPA and toxins for a pure taste. Environmentally friendly travel water bottle with aesthetic and elegant appearance as a good gift is practical and excellent for family, friends or colleagues for the festival or birthday. Color: White Product information : Lightweight intelligent coffee mug. Model: S-U45CW Capacity: 430 ml (without coffee filter) Net weight: 360 g (including coffee filter) Size: 228 x 75 x 84 mm. Cup mouth diameter: 66 mm. Cup body material: Food grade 304 stainless steel. Cup lid material: Food grade PP (polypropylene). Coffee filter. Food grade PP (polypropylene). Food grade PET (polyethylene terephthalate). Screen cover: PC polycarbonate. Display: OLED. Battery: CR2032 (replaceable). Standby time: More than one year. Insulation performance: Pour boiling water above 95 C, the water temperature lies above 42 C after 6 hours; pour ice water below 0 C, the water temperature is still below 10 C after 5 hours. Good waterproof performance: IPX7 Lead standard: GB / T29606-2013. Instructions (English language not guaranteed). The detailed operating instructions of the product are included in the packaging and the following contents are explained in the form of images and words. 1. How to make a cup of cold coffee. 2. The interactive function of the product. 3. The process of removing and washing the lid. 4. How to change the battery. 5. Disassembly and assembly of different parts of the product. 6. Product precautions Warning: Please read the manuals carefully and pay attention to the warnings.