Monster Rechargeable Bluetooth Wireless Audio Transmitter & Receiver.

Turn wired audio devices into wireless Bluetooth connections. In transmitter mode, connect the adapter to an airplane entertainment system, TV, treadmill, or other 3.5mm audio source and listen through Bluetooth headphones or earbuds. In receiver mode, stream music wirelessly from your phone or tablet to a car stereo, speaker, or other AUX-equipped device.

Features Bluetooth 5.3 connectivity, rechargeable battery, USB-C charging, 3.5mm AUX connection, transmitter and receiver modes, and airplane compatibility.