Keep beverages warm on your desk and charge devices at the same time with this 4 Port USB Hub Cup Warmer featuring a compact unit that keeps beverages warm at 122 to 140 degrees Fahrenheit and has 4 standard USB ports for convenient charging. Warmer is recommended for cups up to 2.75" in diameter. Plug-in cord measure approximately 36.5" long. Comes packaged in an individual box. Box measures approximately 5.75" x 1.375" x 4.125".