The K2 SAFETY (K2Safety) slim heat heating vest application allows you to select the temperature of the heating pad using a smartphone and provides a function that automatically adjusts the temperature inside the clothing to maintain the user's desired temperature.

1) Specification
- Operating system: Android Jelly Bean (4.3) or higher / IOS 10.2 or higher
- Environment: Bluetooth 4.0 / USB 2.0 or higher
- Temperature sensor measuring range: 45℃ ~ 120℃
- 4 stage set temperature: 40℃ / 45℃ / 50℃ / 55℃
- Smartphone controllable distance: about 10M
- Power: 5V 2.1A or less / Auxiliary battery for smartphone charging
(All models are compatible)
- Available time: About 10 hours at the lowest temperature / About 6 hours at the highest temperature
(Based on 10,000mAh and may vary\n depending on battery performance and environment)

2) Setting method
ⓛ Smartphone APP installation
② Connect the heating pad USB module to the auxiliary battery
③ Run the app

3) function
4-step temperature control is possible.
The ON / OFF icon is a function that temporarily cuts off the power, and the heating function is temporarily stopped.

4) Avoid direct contact with the skin before use.
Red spots may appear depending on the skin when used for a long time at high temperatures.
In this case, stop using it immediately and consult a professional.

The heating pad of the K2 SAFETY slim heat heating vest is hardware developed for the purpose of providing temperature.
Compatible with all models of auxiliary battery for charging smartphones,
You can control the temperature using its own button without a smartphone.