1. Comfortable and Breathable: The back support belt is made of breathable diving material. The meshs design will keep you all-day comfort. The unique double-layer pulley straps can easily adjust the pressure required at the waist, making the belt more fit to your body, allowing you to enjoy the freedom of movement. 2. 3 Heating Modes: The back brace for lower back pain contains a heating pad fixed with strap, which you can easily operate via the controller. There are 3 heating setting (low: 45 , midiume: 65, high: 75) allow you to adjust the temperature as needed to promote blood circulation and relieve back pain. 3. Pain Relieve: The ergonomically designed back support provides strong support for the lower back and abdominal muscles, increasing extra pressure around the waist to prevent fatigue, strain and other back-related injuries. Relief waist muscles ache, disc herniation, sciatica, scoliosis, etc when wearing the back support belt. 4. Size: Waist brace: 46.45 x 7.87 inch, and long strap: 36 x 3 inch. The back braces for women and men is matched with an upgraded durable strap, which allows you to adjust different compression levels to provide support for your waist.   5. Battery Operated Heating Pad: The belt has a removable heating pad, and a 5000mAh rechargeable battery to enjoy hot compresses. Equipped with a digital display controller, touch screen button design, panel display temperature and power, the controller can be used to control temperature and vibration mode. Material: Diving material Size: Waist Brace: 118x20 cm, Long Strap: 92x7.8 cm Weight: 670g Working voltage: 5V Battery capacity: 5000mAh Charging time: 2-3 hours Endurance: 1440 min Heating temperature: 45, 65, 75 Heating (maximum gear): 102 min Massage and heating (maximum gear): 660 min