Features: 3 GearsMenstrual heating belt has 3 temperature levels and 3 massage modes, allowing you can easily adjust different temperature and vibration modes. Dysmenorrhea ReliefFar-infrared heating technology are used to warm your uterus to accelerate blood circulation and expel blood stasis, effectively relieve dysmenorrhea. Indicator LightWith the indicator light of the gear, you can check the temperature (45, 55 and 65) and massage intensity at any time, safely and without overheating. Hands FreeWith a built-in rechargeable battery, the wireless heating pad uses elastic and adjustable waistband to fix. You can use it in bed, at work, cooking, indoors or out. Use TipsThis heat pad can create heating effectively and quickly, so please choose lowest level at first use. More importantly, the device should not come into direct contact with the skin to avoid burns. Specifications: Material: ABS, plush Color: Pink, white Size: (Approx)(LxWxH) 18.5x8.2x2.5cm/7.28x3.23x0.98inch Power by: 1 x 1800mAh rechargeable battery (built-in) Temperature range: 45, 55, 65 Power: 5W Voltage: 5V Package Included: 1 x Menstrual Heating Pad 1 x USB Cable 1 x Manual Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement. 3. Press and hold the power button to turn it on and the default is the 1st gear. Short press to switch to the 2nd, 3rd gear and turn off the vibration. 4. Press and hold the temperature switch button to turn on the heating function, but not heating, and short press to switch the 1st/2nd/3rd temperature selection in turn.