ADVANCED HEATING: This portable electric heating pad uses the new improved graphene heating technology to provide your body heat, improve blood circulation and relax muscles, greatly relieving back pain, muscle pain, etc. Heat output and 100% safety: fast heating, no waiting; 3 heat settings, 3 seconds ON/OFF by pressing the switch; quick press of the switch to switch the modes: 65/149(red), 55/131(white), 45/113(blue). For your safety, it has a precise, intelligent thermostat control system. Widely used: adjustable elastic band, suitable for all kinds of waist circumference. It is suitable for hot compresses for multiple parts of the body, especially for waist, stomach etc. The small portable hot compress uses a very soft and comfortable contact surface that allows you to feel comfortable and dissipate heat evenly. Portable and washable: universal USB port, can be powered by power bank, laptop etc.(power bank not included); premium soft skin-friendly fabric, as thin as 0.1 inch, Note: mobile power is not included in our products, you can use normal mobile power supply or low voltage mobile power supply. IDEAL GIFT FOR Wife & GIRLS: If you want to give your girlfriend a great gift, choose our menstrual heating pad Stay with her in the special times of the month and feel your love.