Features: 1. Easy to Use: Bluetooth version 2.1. No software installation required plug and play. 2. Wireless Connectivity: Transmits TV audio to a home speaker system via Bluetooth, eliminating the need for wired connections. 3. Enjoy Music Privately: Stream TV sound to a Bluetooth headset to enjoy high-quality audio at any time without disturbing others. 4. Wide Compatibility: Suitable for use at home, in classrooms, or during conference presentations. 5. High Performance: Clear audio transmission; supports voice input through the devices microphone for direct broadcasting to a Bluetooth speaker, ensuring speech is clearly heard. Specifications: Interface: USB Wireless Type: Bluetooth Wi-Fi Standard: None Content: Audio High Definition Support: None Model Number: Audio Transmitter Supports paired Bluetooth stereo headset/headphone with play/pause, forward/backward control Supports automatic pairing (no button press required) Pairing PIN code: 123400008888 Frequency Range: 2.42 to 2.480 GHz (RF) Working Current: Maximum 40mA Compatible with 30-pin devices Operating Range: Up to 10 meters Material: Plastic Color: Black Package Contents: 1 x Bluetooth Audio Transmitter Note: Light reflection and differences in display screens may cause slight variations between the product color in images and the actual item. Measurement allows an error of +/- 1-3 cm.