Feature 1Intelligent temperature control, designed with 3 gears temperature, vibration control. 2Thermostatic control system, low voltage safety and stability, thickening ABS material. 3Accurate intelligent temperature control system, effective operation in the set temperature range. 4Breathable and comfortable fabric, feels good, soft, delicate and comfortable, warm and comfortable. 5Graphene has a large area of heating with a graphene heating membrane inside. It has high thermal conductivity and can heat quickly after electrification.SpecificationCondition: 100% Brand NewItem Type: Menstrual Heating PadMaterial: ABS + Velvet Power Supply: Built-in lithium batteryBattery Capacity: 1800mAhCharging Mode: USB chargingMain Functions: Warm the uterus to protect the waist and stomachCharging Voltage: 5VRated Power: 10WCharging Time: 2 hoursUsage Time: 5 hours .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 Menstrual Heating Pad1 x USB Charging Cable1 x Manual