First model with the jumbo large capcity bobbin and touch screen.  Slightly longer inside arm than the 3 Series.
 
Stitches - total 650, including 29 utility, 9 automatic buttonholes including eyelets. Plus 150 decorative, 13 traditional quilting/patchwork, 11 cross stitches, 3 alphabets. (Each letter and number counts towards stitch total). Maximum stitch 5.5 mm width, maximum stitch length 6 mm.
 
Full colour touch screen - displays all stitches, making it easier to select and more intuitive to use. Adjustments to the stitches are shown in real time.
 
Rotation dials for width and length adjustment, can be changed whilst sewing.
 
Sewing consultant - advises for best needle and settings for the fabric used. User friendly, built in tutorials offer onscreen support.
 
On screen help - unsure of what an icon or button does, simply press the question mark then the unknown icon and its description is displayed on the screen. 
 
Built in tutorials - trouble shooting and FAQ's are available at a touch of a button. From how to put the bobbin in to creating buttonholes, select the topic and the screen will display an explanation and in some instance a video.
 
Length of free arm - gives an inside space of 7" to the right of the needle.
 
Built in memory - create names and stitch combinations to personalise your sewing projects.
 
Personal memory - (permanent and temporary) - default settings for stitches can be altered to a preferred settings and saved permanently until you removeed.  Adjustments are saved even when the machine is switched off.  Adjustments to stitch length, width and needle positions are temporary saved as you switch between different stitches. These settings are only saved whilst the machine is on, once switched off stitches will return to default settings.
 
Adaptive thread tension - ensures optimal thread tension during sewing and embroidery and helps achieve a perfect stitch quality. After manually adjusting (if required), the tension to the thread and fabric, the adaptive thread tension constantly checks the tension as it sews, adjusting it unobtrusively and automatically whenever necessary.
 
Jumbo bobbin - larger bobbin that has 70 % more capacity.
 
Led Lights - 8 provide a clear bright light onto the sewing area.
 
Freehand system - enabled - raise and lower the presser foot without taking hands of the fabric using a knee lift. - NB - Knee lifter is an optional extra accessory and is not included with this model)