Jack A4 Computerized single Needle Lock stitch Machine with Foot Lifter

stitch length can reach 0.1 mm controlled by stepping motor. Stitch length adjustment function can be locked just in case operator's mis-operation.
Overlapping stitch can be perfectly realize in any stitch length, front and back thread remaining lock function is available.
Different sewing stitch is available based on different clothes requirements. And editable pattern enables more ;fashionable and beautiful stitches.
Stepping motor controlled reverse sewing structure by scientific design achieves noiseless reverse sewing,which enables a quiet and comfortable environment.
No need to trim thread remaining again, which avoids trimming risks and save labor, time and money.,
Innovated USB port can not only charge phone, but also run fan and upgrade software.