VSITOO S1 Water Bottle, 15oz Insulated Stainless Steel BPA-Free Smart Water Bottle, Thermal Flask for Travel（Without Bluetoot Function）

VSITOO S1 Water Bottle, 15oz Insulated Stainless Steel BPA-Free Smart Water Bottle, Thermal Flask for Travel（Without Bluetoot Function） 【Smart Temperature Display】 The smart water bottle is equipped with a waterproof LED display. This display is not only waterproof but also energy - efficient with low power 【Stay Cool or Stay Warm】 The Water Bottle is crafted from double - vacuum - insulated stainless steel. It can keep your water cold for a full 24 hours and hot for 13 hours. Whether you're out hiking, biking, or shopping, this portable bottle is the perfect companion to take along 【Convenient to Use & Rechargeable】 The water bottle comes with a magnetic USB port for easy charging and a rechargeable battery. This allows for continuous use of up to 11 days. It's important to note that for long - term use, to maintain its quality and functionality, this water bottle should only be hand - washed. This simple care instruction is crucial for its durability 【Premium Quality Materials】 The water bottle's inner wall is made of 304 - grade food - grade stainless steel, and the outer shell is high - quality 304 stainless