features 1MULTIPLE FUNCTIONS: Heat released by the heating film can penetrate deep into the uterus, accelerate blood circulation and discharge congestion, and effectively relieve dysmenorrhea. 2HIGH ELASTICITY: Electric waist belt device can be quickly adjusted, suitable for all waistlines, whether fat or thin, which is very convenient and practical. 3MASSAGE EFFECT: Warming waist belt device can massage with low decibel vibration, and the whole process is silent and undisturbed, which is comfortable and warm. 4DETACHABLE WASHING: The back shell of massaging waist belt machine can be disassembled and washed independently, very clean and hygienic for you to use. 5ABS MATERIAL: Heating waist belt device is made of soft fabric and ABS material, which is light and breathable, comfortable and warm, resistant to falling and long in use.SpecificationItem Type: Electric waist belt deviceMaterial: ABSBattery: Lithium ion 2000mAH(Built in)Temperature Range: 45C-55C-65C.Usage: It can help all girls or women get rid of pain in uterus or waist and abdomen. .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; }Package List1 x ElectricWaistBeltDevice1 x USB Charging Cable