Double Layer Thermal Thermal Thermal & Brushed Back

Heater is installed on the thermal inner wear that is fleece-lined Double layer cold protection: 1. Flexible fleece lining 2. Heater generates heat from bamboo carbon fiber thermal conductive material.

Powered by USB mobile battery.

Commonly mobile batteries are compatible with commercially available chargers. 5V 2A/2.1A USB rechargeable power bank is recommended. Note: This product does not have a mobile battery, so please prepare it by yourself.

Temperature adjustable for hot, medium and low temperature

Press the indicator light button to set the 3 levels of temperature - Strong (Red), Medium (White), Low (Blue). Red High Temperature Illumination: 104 - 122°F (40 - 50°C); White Medium Lighting: 88 - 104°F (30 - 40°C); Low Temperature Eco Lighting: 65 - 88°F (25 - 30°C).