【High-Quality Materials】:Made of high quality materials, heating evenly, safe and durable to use.
【Power Supply】:Powered by any devices with output 5V USB port, such as your computer, desktop, laptop, tablet, mobile power and so on, easy and convenient.
【Applicable Scene】:Light weight and compact size, easy to carry and suitable for most stainless steel cup, feeding bottle, ceramic cup, glass cup, etc.
【Temperature Range】:Keep your coffee, tea or other hot beverage warm up to 50° in winter, cold up to 6 - 8° in summer. do not worry about high temperature and high oxidation, safe in use.
【Use at Home and Office】:Great for use at home and office, keeping you brew warm or cold.