Features: 1¡¢REDUCE MENSTRUAL PAIN: The large heating area will release heat quickly in 3s, provide warmth to the uterus, increase blood flow, and effectively reduce dysmenorrhea. 2¡¢4 GEARS ADJUSTABLE: Has 4 gears of intelligent temperature adjustment, and the temperature of the hot compress can be adjusted according to your need. 3¡¢ADJUSTABLE WAIST BAND: The heating belt is made of soft and breathable material , which is comfortable and warm. High elastic band can be quickly adjusted to fit all waistlines. 4¡¢ACUPRESSURE MASSAGE: Massage the acupuncture points tightly against the waist and abdomen to reduce the pain from the root. 5¡¢PORTABLE DESIGN: Lightweight and thin design, when you put it on you will hardly feel its presence, and you can move freely.Item Type: Uterus Heating BeltMaterial: ABS, velvetBattery Type: Lithium ion battery (shipped with built in battery)Battery Capacity: 3000mAhPackage Included:1 x Warming Belt1 x Instruction Manual1 x Data Cable