High-Speed Copper Servo Motor: Pure copper wire direct-drive servo motor delivers 1,500 stitches/minute with ultra-low noise (<60dB).
Automatic Thread Cutter and Presser Foot Lifter: Trims threads cleanly after sewing with zero residual tail; automatic presser foot lift increases efficiency.
4-to-2-hole conversion: Instantly adjust between 4-hole and 2-hole buttons with the included wrench (no additional tools required).
8/16/32-needle programmable: Rotate the dial to select the number of stitches for different button types (e.g 8 stitches for lightweight shirts, 32 stitches for thick coats).
Multi-structure compatibility: Handles lightweight silk to mid-weight denim/wool (up to 5mm thick) with consistent stitch quality.
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