500ml Matte Black Double Wall Intelligent Thermos Stainless Steel Vacuum Insulated Smart Water Bottle

Feature highlights:This 500ml matte black double wall intelligent thermos is made of stainless steel, featuring vacuum insulation for 12-24 hours thermal performance. It supports direct drinking, is portable, and suitable for various occasions like travel, outdoor activities, and gifting. The smart digital functionality adds modern convenience, while its versatile design suits indoor and outdoor spaces.