1. Two levels of temperature adjustable: blue light means low temperature heating, red light means high temperature heating. 2. It can be used repeatedly and is durable. It is small in size, light and portable, easy to carry, and does not take up space. 3. It can be used to heat milk, tea, coffee, etc. ABS and tempered glass material, safe, tasteless and healthy. 4. It is suitable for schools, dormitories and offices with easy-to-use coasters. The heat preservation base adopts aluminum alloy heating plate, PI heating, so that the liquid temperature is maintained at about 40-60, and the heating is even. The body is waterproof and anti-leakage, not only the surface is waterproof, but the bottom is also waterproof, ensuring your safety. 5. The , whether it is a birthday, holiday or any party, is a . Because of its uniqueness, it immediately brings a smile to the recipient. Type name: warm coaster Cable length: 1.5 m Style: modern and simple Switch type: Contact switch Plug Type:EU Plug,it applies to Indonesia, Germany, France, , Italy and so on. colour: black Material: ABS + tempered glass Size: 12x1.3 cm Package Contents: 1 x Keep warm coaster Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.