Specification:
Material: PU insoles with carbon fiber heat unit 
Charger input: 100 to 240V AC at 50/60Hz
Charger output: 4.5V DC at 750mA*2
Lithium battery：3.7V 1100mAH*2
Power: 1.2W*2
Rechargeable time:2H
Discharge time:4~8H
Product Size: TO BE ADVISED

Product Certificate :CE RoHS
Charger Certificate :TO BE ADVISED

Features:
● A short circuit protection and no-load protection
● On/Off Automatic induction control switch.
● Automatic power off when not in use.
● Cutting line to adjustable size.
● Large capacity rechargeable lithium batteries.
● Have triple efficacy heating,insulation,health care.
● Comfortable fever effect.