USB Cooling heater

USB Cooling Heater JH-9901 Packing: 1pc / color box, 24pcs / box production cycle: 30 days Function Description: 1. Using USB cable can be cooling / heating, simple, easy to use 2. A reader Functional Performance Indicators: *Input Voltage 5V, current 1000 mA, the two power supply connector *Refrigeration power consumption of 800 mA, when the heating power consumption of 900 mA, power consumption is 50 mA reader 3. refrigerant can be cooled at ambient temperature 12 ° to 15 °. Heating temperature in the ambient temperature can be 20 ° to 25 °. 4. Reader using models: (SD, MS, M2, Micro SD). 5. This machine use bright lights.