Features and Advantages
1.   Fast heating speed
With a power of 7.4V/2200 mAh, the cushion can be heated up to 50 °C within 3 minutes after it is started.
2.   Adjustable working temperature and time
By press the key on the intelligent battery you can set heating temperature from 30-50 °C with a corresponding working time of 2-6 hours depending on your requirement.
3.   Waterproof and easy to clean
The cover of the cushion is waterproof. Therefore you can clean it easily with a wet towel.  
4.   Long lifespan
The embedded Li-on battery can be charged for more than 500 times repeatedly.
Benefit:
1.   Keep warm
The cushion can be used for keep warming in many spots such as such as watching games, fishing and camping etc
2.   Therapy function
In addition to heating, the FIR energy has also therapy function. By absorbing the energy eradiated by Far Infrared Ray, it will promote the blood circulation in your body and therefore accelerate the metabolism in your body, alleviate pain, eliminating inflammation, relieve pressure and promote good sleeping.