Project Introduction: This handheld terminal device is mainly in a three-proof business style, breaking the hale and hearty feeling of traditional handheld terminal devices on the market. It adopts simple geometric form and combines function with appearance. The product feels more comfortable and comfortable when using and operating. The back shell of the product adopts coarse sun print, which increases the anti-skid and anti-fall resistance of the product, and at the same time forms a sharp contrast with the functional area of the front camera position, making the product more durable.