DescriptionThis item is a cup heater warmer with 4 ports high speed USB hub. It keeps coffee / tea / beverage warm at 35-40 degrees. Plug and play installation, work with Windows XP, 2000, ME, 98. Mac OS 8.6.Features- Color: Silver.- Material: Plastic and metal.- Size: 10 * 9.5 * 2cm.- On/Off switch.- Power: 2.5W 5V DC.- Keep …