Name: The new heated waist protector increases the pressure belt. Black free size (suitable for waist circumference: 72-120cm) A waist protector with a 2M long USB Androids port charging cableUses: heating the waist to relieve lumbar pain; back pain, body cold, dysmenorrhea, lower abdomen bloating, stomach coldProduct advantages:1. Built-in heating plate in the lumbar spine to relieve lumbar discomfort caused by cold weather;2. A compression plate is added behind the waist belt to increase the heating temperature and area of the waist to make customers more comfortableSize: Free size (106 x 17cm/41.7 x 6.7 in)Material: diving cloth + heating sheet + compression elastic bandColour: Black;Input and output voltage: 100-240V, 5VHert z: 50/60HzOutput current: 2AHow to use: tie the waist protector to the waist, adjust the elasticity of the velcros, plug in the power supply to heat it; adjust the tightness of the pressure belt according to your own situation to increase the heating temperature of the waistIncluded accessories: a 2M long USB Androids port charging cable .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1High Tech&High Safety Factor///Innovative safe heating material Graphene film which have a high thermal conductivity that can give off enough heat at a low voltage (5V/2A), the safety index is far higher than other heating material. 2Fast heating & No electromagnetic radiation///Graphene heating belt can heat up in 10 seconds but without electromagnetic radiation, giving off heat sufficiently and evenly and more safety. 3Very Portable///Powered by 5V/2A power bank(Power bank NOT included), easy to carry. Power bank bag size: L/8cm*W/9cm. 4Adjustable hook and loop fastener///Adjustable hook and loop fastener can be adjusted for different demand from 72 (cm) to 120 (cm) /28.34 (in) to 47.24 (in). 5Temperature Setting///3 Temperature levels (Low/Medium/High), improve blood circulation, improve the biological activity of the body, relieve your waist pain or abdomen/stomach pain.