APTX-LL Headphones, Earbuds, and Receiver/Transmitters that work with APTX-LL compatible detectors (ML Vanquish; ML Nox 600/800; Nokta Legend).  Note that the Receiver/Transmitters can be plugged into the headphone jacks of many detectors that lack APTX-LL transmitters (including the new ML Xterra Pro; Nox 700/900 and Manticore detectors that use Bluetooth LE with no third party wireless headphones available) so you can use these BT APTX-LL headphones and earbuds with them. Earbuds (note th