The adjustable esd wristband is composed of elastic band, movable snap button and spring cord, which can be flexibly adjusted to wear. Wearing an electrostatic wristband can effectively prevent the static electricity generated by the human body from breaking down electronic components. The ESD wrist the operation is flexible, the elastic thread is soft, retractable, not easy to bend and deform, and the connection is fast. The ESD wrist the operation is flexible, the elastic thread is soft, retractable, not easy to bend and deform, and the connection is fast. Wear a wrist strap to protect sensitive electronic components from ESD damage, and the product can effectively discharge static electricity from the human body. Wear a wrist strap to protect sensitive electronic components from ESD damage, and the product can effectively discharge static electricity from the human body. Suitable for people with high static electricity, factory production lines, precision electronic computers, mobile phone maintenance, etc.