and

Features:
[Cold and hot purpose]: This product not only has the function of heat preservation, but also has the function of rapid cooling, achieving a purpose. Semiconductor refrigeration chip, low power consumption, long-lasting durability, improve heat preservation / cold preservation speed.
[Easy ]: The device has two for touch buttons, namely cooling and heat preservation, one-button start
[USB power supply]: USB power supply can be to a suitable power supply, notebook, , convenient and fast.
[Waterproof]: ABS engineering for shell, anti-leakage, safe and secure.
[Cup type]: Suitable for most flat-bottomed cups and beverage fillings , cans, ceramic cups, glass cups, stainless steel cups, . (Note:
cups, double-layer cups, thickened bottom cups and flat bottoms are not suitable . The function of this product is to keep warm and constant temperature. It cannot be used to boil water)

Specification:
1. Working : USB +5 V
2. Electric current: 5V 0.8~1.3A
3. Operating current 0.6-.75 Security
4. Operating temperature: -20 degrees to 45 degrees ;
5. Dimensions (length x width x high): 13.8cm X 8.9cm X 3.7cm (not including power cord)
6. Applicable cup type: metal cup with . 75mm diameter
7. Highest temperature on matal plate : 60 , difference 5%
8. Lowest temperature on matal plate : 15 , difference 5%(25 degree test environment temperature)
NOTE:
1. This product is only suitable for PC, with USB .
2. Use the product gently to avoid severe , so as not to affect product .
3. This product must be directly inserted in the computer USB . Using relevant USB hub and other related equipment will reduce or damage the equipment.
4. When it is warming ,must put container on matal plate to avoid damaging this item itself
5. This product is for the houshold appliances as it is powered by the USB .

Package include