USB Fridge ,USB gift Switch button to change to warm/chill, with USB ... to keep beverage warm up to 60-65°C,cool 10°C.3) Switch button to change to warm/cool , with ... computer or leaving seat . 6) Lon polishing technology have metal plate, fully improve interface, use well isolating material , ... suitable all seasons. Product Specification: 1) Size: 200mm(H)*10.4mm(Dia)2) Weight: 400g 3) Material: outer ...