Different applications and different operations.

1. The applications are different. The computer version of the button sewing machine is mainly used for riveting four-claw buttons on clothing, leather shoes, leather bags, handicraft jewelry, etc. The non-computer version is mainly used for sewing buttons with regular shapes and sewing with "nail and drop" sewing techniques. Operations, such as nailing trademarks, labels, caps, etc., have different applications.

2. The operations are different. The computer version of the button sewing machine is fully automatic, while the non-computer version is manually operated. The operations of the two are different.