Portable pocket size, easy to take anywhere.</br>Power supply by USB plug or adapter, with convenient 1m USB cable cord length for use almost anywhere.</br>With On/Off switch control; blue LED indicates when warmer is on, the plate get hot in 10 seconds</br>Adopt stainless steel materials in the surface heater place, its fast and safe to use and the surface easily wipes clean.</br>Perfect for coffee, tea, hot cocoa & any other beverage need to heat.</br></br>Product Description</br></br>Elemart USB warmer is perfect for keeping your drinks warm and from a safe distance away from your computer. It is also super easy to use, it comes with an on/off switch with a light indicator and a cable cord. With this USB warmer you don't have to worry about your drinks getting cold anymore. <br> <br> <b>Specifications:</b> <br>Material: ABS + Stainless Steel. <br>Product Dimension: 110 * 20mm. <br>Work voltage: 5V. <br>USB Cable Length: 1m. <br> <br> <b>Note:</b> <br>Do not touch the electric panel when the USB warmer works.</br><br/>http://www.amazon.com/gp/product/B017BDCMIQ