Hot compress technology, such as applying a hot towel on the neck, can allow the heat to penetrate into the muscles, reduce muscle pain and relieve fatigue. Adopts ergonomic design, suitable for various parts of the body, including shoulders, back, waist and legs. Multiple modes with adjustable force to meet your usage needs. Easy to Operate Type-C Interface Charging Removable and Washable Design Low Noise Experience Specifications Material: ABS Power supply mode: charging type Weight: 1100g Battery capacity: 2000mAh Rated voltage: 5V Rated power: 26W Charging interface: Type-c Battery life: ~ 70min Gear/force: two modes/two forces Packing Include: 1 Massagers for Neck and Shoulder with Heat 1 Charging Cable 1 Instruction manual.