USB JS-9840 insulation dish, let your coffee or tea to maintain temperature and
and each interface can provide up to 500mA current, enough for different devices, hot swappable, automatic installation through the USB interface of the PC to take power, using intelligent temperature control chip, can maintain the water temperature in the 40-60 degrees Celsius (from the edge to the middle) 6, easy to install, without having to drive. In USB interface can be 120 / piece. Color full English box packing. Welcome to a large number of foreign procurement!