Overview Highlights Many heating zones and 3 temperature settings:Carbon fiber heating elements generate heat in the waist,abdomen and upper back; 3 heat settings at the push of a button. USB charging:Connect a 5V 2A rechargeable battery (this product does not include a power bank). During the cleaning process,the external battery must be removed. Safety and health:Far-infrared heating requires only 5V,far below the human body's safe voltage of 36V. Large area heating:electric heating cotton clothing built-in multiple heaters,with the function of blood circulation,not only can warm the stomach,back,waist and abdomen,but also can promote blo Suitable for outdoor skiing,winter fishing,mountain biking,cycling,camping,snow hiking,hunting,outdoor assistance,daily office,etc. Key Attributes Dimensions (Length x Width x Height) 10cm x 5cm x 2cm weight 0.05kg Gender Men Stock Location Country of Origin Brand SUNSKY Shipment Information Weight per item 0.05 kg Dimensions per item (LWH) 10 x 5 x 2 cm Carton weight 1.78 kg Carton dimensions (LWH) 50 x 35 x 5 cm Pieces per carton 3 Stock location