Battery heated hat can keep your head warm in cold weather when skiing, skating, running, fishing, hiking, hunting and all kinds of outdoor indoor sports activities.

Specifiction:
Style: 3.7V heating cap
Battery material: Li-polymer battery
Battery parameters: 3.7V 1.5A 3400mha
Charging time: 4 hours
Three-speed battery life: 6.5, 7.5, 9 hours
Third gear temperature (heating wire temperature): 149℉, 131℉, 113℉

How to Use:
1.Connect the battery to wire which is hidden inside the heated hats' pocket.
2.Long press the button on the heated hat to turn ON/OFF.
3.Press the button again to turn on the red light in third gear temperature( 149℉).
4.Press the button again to turn on the white light in second gear temperature(131℉).
5.Press the button again to turn on the blue light in first gear(113℉).

Note:
1.Fully charge the battery with provided charging kit before use.
2. NEVER charge a swollen or ballooned battery (even if swollen upon purchase).
3. NEVER charge a battery if it has been dropped and sustained significant impact.
4. NEVER charge a battery if it has been punctured.
5. Keep battery out of reach of children or pets.

Package Includes:
1*Electric Heated Hat
1*Charger Wire
1*3400mAh 3.4v Li-polymer Battery
1*Exquisite Packing Box