Here some infos from the IMR web site:

"The EDP+ features the unique IMR option of switching between open or closed rear ports to suit your listening environment (Isolated/non isolated) and further enhancing the tuning capabilities when combined with the IMR acoustic tuning nozzles (included).

The drivers are encased in an light weight compact all anodised aluminium CNC chassis for long term durability and finish.

Hand assembled and driver matched for unrivalled finish and sound!

6mm A.D.L.C (amorphous diamond like carbon) custom tuned driver + next generation Planar magnetic driver
8 acoustic audio nozzles + 6 acoustic dampers
Interchangeable open port or closed port
2 Pin detachable cable (3.5mm/2.5mm balanced or Optional 4.4mm balanced)
Frequency response: 8- 50000Hz
Impedance: 32 Ohm
Sensitivity: 102 +/- 3DB
24ct Gold plated 3.5mm Jack
1.4M length OFC cable
6.35mm Adapter
Carry case for all equipment
Huge selection of ear tips for the perfect fit"

Accessory is complete and two cables comes with the package (3,5 mm und 2,5 mm).
Price includes PayPal fees and CONUS shipping, nothing to add to stated price.
I can also add an adapter from DD HIFI from 2.5 to 4.4 to the kit, which is in the photo.