【Large Comfortable Heating Pad】The large size of 61*94CM, 2 belts of 75CM, 3 adjustable buttons on the collar, high-quality soft flannel fabric and 210+/-5cm power cord length, make this electric heating pad flexible to adjust, which ensure its fit, comfort and convenience of use. 【Scientific Design Overheat Protection】The built-in double helix heating wire fully and evenly distributes heat to your neck, back and shoulders, providing soothing warmth to relieve fatigue and pain. Overheating protection ensures safe use: the neck and shoulder warmer stops heating when the temperature reaches 60 degrees and continues heating when the temperature drops. 【6 heating levels and 4 timer settings】 You can adjust the temperature level according to your different heating needs (40/44/48/52/56/60°C). 4 adjustable timer levels (30/60/90/120 minutes) help you save energy and avoid safety risks caused by using too long. 【Machine washable】 The extra soft flannel surface and breathable material provide