... , more convenient to carry;3. This product is the use of ABS engineering plastic, more durable ... Versionl1.1/2.0 '7. This product is a high-precision Peltier chips, service life of up ... hours, and no pollution;8. Power consumption is only 25W, more energy efficient;9.Color: ... temperature: 10 degrees Celsius, error 5% (test, an ambient temperature of 25 degrees Celsius); mini usb2.0 coffee cup warmer ...