Features16 Vibration Modes: Featuring 2 powerful vibration motors, users can choose from 6 strength levels that vibrate up to 7000 times per minute. 2Hot Compress: Waist heating belt can provide targeted warmth to the abdomen and lower back areas, effectively tackling problems like menstrual cramps. 3Safety Features: With safety features like automatic shut down, overheat prevention, and a temperature control chip, you can enjoy peace of mind. 4Rapid Heating: The heating pad can heat up in just 3.5 seconds, providing fast relief for menstrual cramps and helping to warm up your abdomen all within moments of use. 5Large Heating Surface Area: Boasting 90% surface area heating coverage, which can provide warmth and comfort across multiple locations, giving you extensive care.SpecificationItem Type: Heating Massage BeltMaterial: ABSBattery Type: Lithium ion batteryBattery Capacity: 1800mAh (built in)Size: Approx. 190 x 90 x 28mm / 7.5 x 3.5 x 1.1in Heating Temperature: 40 ~ + 60 ( 2)Temperature Gear: 6 gearsVibration Mode: 6 kindsPackage List1 x Waist Heating Belt 1 x USB Cable 1 x English Manual