Question about Pioneer Steering wheel remote control

does not fit Pioneer DEH-S720DAB! Professional garage could not connect the part to Pioneer DEH-S720DAB for me. Pioneer-car.eu does not write anywhere where exactly this remote control fits or does not fit! Pioneer-car.eu: Steering wheel remote control with Bluetooth control = This remote control works with infrared NIX BLUETOOTH I have sent back The solution would be an infrared adapter (with cable connected to the back of the radio) for CHF 160.-- - 260.--.