PRODUCT GRADING (Grade A) - Excellent Condition with Minor if any signs of use and wear > Refurbished to the highest standards. Retail Box WHAT IS IN THE BOX RHA Wireless Flight Adapter PRODUCT DESCRIPTION From the oldest portable cassette player to the largest jumbo jet, turn any analogue audio into Bluetooth signal. Compatible with any wireless headphones.aptX low latency compatibility minimises delay between film/game and audio sync. aptX codec enables streaming with CD-quality audio with compatible headphones.