How many times have you made a cup of tea or coffee and got distracted only to realize it has gone cold? Now you will never have to drink tepid tea/coffee again! This USB cup warmer plugs directly into the USB port of your computer. Simply place your cup on top of the hot plate, and your mug will stay steamier for longer. Features 1. Keep coffee/tea/drink warm at 40°C 2. Suitable for any type of cup 3. Keep coffee/tea warm for any time interval 4. With translucent power indicating On/Off switch 5. No risk of burn, with enclosure made of quality insulation material; 6. Easy installation, no driver required, Plug & Play Specification 1. Rated Power: 10W, 5V DC 2. Clear Cable/Length: 6.4 Ft. 3. Optimum Cup Capacity: 150ml 4. Heating area Temperature: about 70°C