تدفئة زجاجات يو إس بي، أربع طبقات قفل درجة الحرارة زجاجة تعقيم ذكي للتحكم في درجة الحرارة لكرتون الحليب (وردي)

Can be applied to a variety of materials, such as water cups, mineral water bottles, milk boxes and so on.
Support power bank, USB, car charging.
Intelligent temperature control design, convenient to use.
24-hour insulation when plug in, four-layer to lock temperature.
Made of high-quality microfiber PU material, which is safe and non-toxic.