The b77 focuses exclusively on sewing and quilting. It has 230mm of space to the right of the needle for creative projects, and four LEDs provide bright illumination of the sewing area.
A total of 500 stitches are available to choose from, including 22 utility stitches, 133 decorative stitches, 3 alphabets, 35 quilting stitches, and 17 buttonholes. The maximum stitch width is 7mm and the maximum stitch length is 5mm.
As well as practical functions, such as the speed regulator and needle stop up/down, the b77 also features a needle threader and an automatic thread cutter. Eight presser foot soles and a large extension table are included.