Specifications

Charger input:AC100-240V50/60Hz
Charger output:DC8.5V 1000mA
Lithium battery:7.4V 1700mAH
Power:4W MAX.
Rechargeable time:2H
Discharge time:4~24H
Size: TO BE ADVISED

IC control with LED indication and Power saturation of  lithium battery, 5 levels of adjustable.
On/Off power switch.
A short circuit protection and no-load protection.
Using high carbon fiber heating device and configuration   3 fever pieces[ backside].
Have triple efficacy heating ,insulation, health care.
 High capacity rechargeable lithium battery.
Comfortable fever effect.
The coat can removable and easy to clean