This compact Bluetooth audio transmitter and receiver supports 3.5mm AUX, RCA, and USB connections for versatile wireless audio streaming and hands-free calling.

• 2-in-1 function: Transmitter mode connects non-Bluetooth devices to Bluetooth headphones or speakers; receiver mode allows Bluetooth-enabled devices to play audio through wired speakers or car systems.

• Bluetooth 5.0 technology provides stable connection and fast transmission up to 10 meters.

• Supports 4-6 hours of continuous wireless audio playback or call time after a 1.5-hour charge via USB Type-C.

• Compatible with a wide range of audio devices including TVs, PCs, car audio systems, projectors, smartphones, and Bluetooth earphones.

• Includes 3.5mm metal audio adapter for broad device compatibility.

• Built-in microphone and multifunction buttons enable hands-free calling functions such as answer, redial, hang up, and reject calls.

• Features protection against overcurrent, short circuit, and overheating for safe usage.