Specifiction

1.With Lithium Polymer Battery built in
2.Aluminum shell
3.Can be recharged to use more than 500 times
4.47g

Key Features:

With the best thermal conductivity material,aluminum shell!

With temperature ON/OFF switch function.Stop it warming whenever you need!

With thermostatic controller inside,keep its shell surface at 42 degrees Celsius!

Super-slim & super-light design!9mm thick!47g weight!

Can be recharged to use more than 500 times!

Specifications:

Power supply:Rechargeable(mini USB port 5V/1000mAh max input)

Built-in battery:Special lithium-ion battery

Charging time:For about 2hours

Standard at use time:4~5hours