The HDJ-F10 are professional DJ headphones with ultra-low-latency SonicLink wireless technology.Ultra-low-latency wireless feature for professional DJ useEnhance your performances with ultra-low-latency SonicLink technology, engineered specifically for professional DJs to deliver wireless audio seamlessly to your ears. When using the HDJ-F10 headphones with the HP-TX01 transmitter, youll enjoy freedom from cables so you can energize the crowd by dancing and moving around the DJ booth or stage without ever tangling or pulling on a wire.Ultra-low-latency wireless communication via SonicLink*The uniquely developed SonicLink technology in the HDJ-F10 headphones enables DJs to move around as they play, without the constraints of cables. When the HP-TX01 transmitter is connected to a DJ mixer, SonicLink transmits sound to the headphones with just 9 msec of latency20 times faster than the commonly used Bluetooth SBC codec so DJs will never notice the delayenabling accurate monitoring a