You can buy Bluetooth transmitters, and wireless Bluetooth headphones. Since most detectors use 1/4" stereo headphone jacks, and the Bluetooth transmitters use 1/8" inch headphone plugs, you'll have to buy an adapter.
I don't think a kit exists, but the devices do.
You can buy Bluetooth transmitters, and wireless Bluetooth headphones. Since most detectors use 1/4" stereo headphone jacks, and the Bluetooth transmitters use 1/8" inch headphone plugs, you'll have to buy an adapter.