1. Equipped with microcomputer single-chip intelligent lithium batteries for electric power, 7.4V 4400 mAh (or 2200mAh) high capacity intelligence Li-ion batteries, one full charge can use3-6hours, intelligence Li-ion battery pack can cycle charge-discharge for more than 500 times;
2. Intelligence Li-ion battery pack set digital "1" - "4" four gears for temperature control;
3. USES the activated carbon fibers which import from the south Korean and can release the far infrared beneficial to human body as heating element, it has the characteristics of waterproof, warming faster, soft not easily broken etc;
4. DC low voltage design, never produce harmful electromagnetic wave, (European standard 1/1600).
5. The infrared sterilization rate reaches as high as 97%, with the function of antibacterial and deodorization;
6. This product USES carbon fiber heating element, without burning, can produce far infrared ray(called "life light")beneficial to human body. For rheumatoid, stomach cold, lumbar muscle strain, waist sour backache it also has good auxiliary therapeutic effect, is a healthy new environmentally friendly electric warming garment for human body.

Ex-factory configuration: A waistcoat, 1 intelligence Li-ion battery pack, 1 power adapter, 1 instruction book
User: Students, frontier armed police, soldiers, police, outdoor workers, teachers, fashionable girls.