[Travel Warmer Kettle]: Travel electric water warmer kettle using vacuum insulation technology, good insulation for 12 hours, constant temperature 55, suitable for traveling or business trip. [Reliable Material]:The insulated water kettle is made of stainless steel, rustproof, lightweight, non slip silicone bottom. [5 Temps Controls and LED Display]: This portable water warmer bottle features 2.5mins fast heating up to 55C, can be adjusted between 37/40/45/50/55C with press button. The real time LED display let you know temps. [USB Charging]: The insulated water kettle can be connected to USB adapter, making it easy to carry and use. [Widely Used]: USB water warmer is suitable for mom, business trip, travel, hotel, office, on the go, dorm, home, baby feeding.<br><br>Specifications: B:18000 mAh Capacity: 400ml Color: White Material: Stainless Steel<br><br>Package Contents: 1 x Thermostatic Cup 1 x USB cable<br><br>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.