Overview

Hand warmer is electrical heating device designed to keep hands warm in cold weather. It can be held in the hands or placed in pockets to provide heat for several hours during outdoor activities, sports, or during daily commutes.

Main Functions

1)  Fast heat up function

2)  Constant temperature function (20°C~50 °C adjustable)

3)  Short circuit protection

4)  Built-in battery for enduring usage up to 5h.

5)  CE and 3C certified

Specification:

MCU part no.: NY62DS16

Voltage: DC5V

Current:<1A

Switching Frequency:10K~100K

Operation Temperature: -40°C~85°C

ADC Accuracy: 12BIT