HOT THERAPY FOR PAIN RELIEF: Built-in heat therapy pad can warm your lower back, abdomen and promote blood circulation. It can help relieve menstrual pain, sedentary lumbago. Applies to women, the elderly and also applies to office workers, long-distance drivers and others who are easy to suffer lumbar muscle strain, stiffness, arthritis DUAL COMPRESSION STRAPS: Dual adjustment straps provide customized fit and compression. The heating belt can also wrap around the waist and be locked at the targeted position where you need heat. The heating pad has a built-in mesh bag, you can also use it for cold therapy by putting an ice bag in if need be 1 BUTTON CONTROL 3 TEMPERATURE: 3 heat-settings and a free 4.9ft charging cord. Widely temperature range from 104-194, which can be changed easily by one button. The temp can be adjustable from 104 to 140. We suggest using the heating pad for hot therapy for 1-3 hours a day PORTABLE POCKET AND ADJUSTABLE SIZE: Newly added pocket can be used to carry a power bank. And you can walk around when enjoying the heat pad, instead of sitting only. The brace fits a waistline less than 42 inches. Please measure at the belly button PINCOU LIFETIME WARRANTY & 30 DAYS MONEY BACK GUARANTEE: If you are not completely satisfied with your PINCOU waist heating pad, just return them within 30 days for a full refund. Friendly customer service. Please dont hesitate to contact us if any questions Pincou electric waist heating pad is made of comfortable and soft material, small voltage control design, it's very safe for use. The warmest gift for the families, girlfriend and lover Important directions for use: - There are no built-in batteries, it would only work when connecting to the power source - When connecting it to a power source, the LED button indicator will flash red, white, blue quickly then go out. Next, you need to turn it on by long pressing the button for 2 secs until it turns flickering red, it then starts to preheat. Long press the button for 2 secs to turn it off - It starts at preheating, 5 mins later it can reach a top temp and will automatically change to medium heat setting (LED white) - The heat setting is manually controlled, short press the button once to change the temp you need at any time. Red indicator is the highest temp setting, white is medium and blue is the lowest Temperature parameters for reference: When using the USB cable: - The output is about 5V/500mA - Highest (red): the temp is 132.8-140 - Medium (white): the temp is 113.9-117.5 - Lowest (blue): the temp is 101.3-104 - If you connect it to a power bank with an output current higher than 500mA, the temp can be higher than the above measurements, and you can get more heat Note: For better hot therapy experience, please wear the heat pad over a close-fitting shirt, especially for sensitive skin. Skin redness is a normal phenomenon after hot therapy. Elderly, child and those whose skin is insensitive or oversensitive to temperature should pay attention to control the hot therapy time and temp