Overview:
Small and light, adjustable in size
USB input, heating, and cooling
Two gears adjustable

Specifications:
Color: Obsidian Black Glacier White
Material: main body ABS, cooling plate aluminum alloy
Power: USB (or mobile power)
Power: 5V 2A
Mode: cooling mode/heating mode
Gear position: the weak gear I strong gear II
Temperature: (cooling) 5-10 degrees lower than outdoor temperature, (heating) temperature 38-42 degrees
Lifetime: about 10H (1000MAH)
Packing: each in a standard color box
Color box size: 17X14.5X5CM
Packing quantity and size: 40PCS/CTN, 52.5X37X32CM
Net weight/Gross weight: 7.2KGS/8.2KGS

Package Content:
1 x Heating and cooling electric controller