The iconic XOOPAR cable with a new audio feature! TX: Enjoy your entertainment on the plane or at the gym with complete freedom! Wirelessly transmit audio directly to your AirPods or wireless headphones for a smoother music experience. RX: Turn any wired speaker into a wireless speaker! Easily connect and enjoy your music without the hassle of cables. Its built-in battery offers up to 8 hours of battery life! For the specs: Multi-cables - Input: USB - Output: lightning, USB-C & Micro-USB - Compatible with all types of devices (smartphone, wireless headphones, GoPro...) - Pocket-sized - Product guaranteed for 2 years - Xoopar's best-selling multi-connector cable has been redesigned with a focus on progress.