3 in 1 Bluetooth Audio Adapter Transmitter Receiver FM Mode Wireless AUX Adapter for Car Home Airplane

3-in-1 Bluetooth adapter that switches between transmitter, receiver, and FM modes. Stream audio wirelessly to headphones on flights, add Bluetooth to older car stereos and home audio systems, or connect via AUX. Delivers lag-free sound for up to 7 hours with 30–40ft range. Simple one-button setup pairs instantly with phones, tablets, and any Bluetooth device. Perfect for upgrading legacy audio equipment without costly replacements.