Yes, that's included

The Singer 9960 Quantum Stylist sewing machine comes with a variety of feet, including the free-motion embroidery foot, the blindstitch foot, the cord foot, the even feed foot, the gathering foot, the narrow rolled hem foot, the overlock foot, a special foot, the straight stitch foot and the twin needle foot. foot, gathering foot, narrow rolled hem foot, serging foot, special foot, straight stitch foot and twin needle foot. It also includes accessories such as bobbins, needles and repair tools.

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As the product is currently on backorder, we unfortunately do not have any exact information about the delivery date. We do not know anything about an alphabet stitch function. Enclosed are the accessories that come with the product: All-purpose foot, zip foot, buttonhole foot, satin foot, blind hem foot, open toe foot, recording foot, darning / embroidery foot, even lining / walking foot, stitching around foot, button sewingfoot, narrow hem foot, quarter inch foot, quilt bar, needle pack, bobbins (class 15 clear), seam ripper / lint brush, extra bobbin pin, bobbin pin felt, thread bobbin caps, screwdriver, large extension table and dust cover.

Hello Yes, a standard 2-pin CH plug.

Accessories included: All-purpose foot, Zipper foot, Buttonhole foot, Satin foot, Blind hem foot, Open toe foot, Cord foot, Embroidery stitching foot, Even feed foot, Overlock foot, Button sewing foot., Narrow hem foot, Quarter inch foot, Quilting bar, Needle pack, Bobbins (class 15 clear), Seam ripper/lint brush, Auxiliary bobbin pin, Bobbin pin felt, Bobbin caps, Screwdriver, Large extension table and hard dust cover. Enclosed is the link to the manufacturer's website: https://www.singer.com/Quantum-Stylist-9960-Sewing-Machine

According to my wife, there is NO USB hub on this machine....