Features: 1. Easy to Use: Bluetooth version 2.1. No software installation required – plug and play. 2. Wireless Bluetooth: Transmits TV audio to a home stereo speaker system via Bluetooth, eliminating the need for cables. 3. Enjoy the Music: Stream TV audio to a Bluetooth headset, allowing you to experience immersive sound privately without disturbing others. 4. Wide Usage: This Bluetooth transmitter is suitable for home use, classroom presentations, and conference settings. 5. High Performance: Speak directly into the device's microphone outlet to transmit voice audio to a Bluetooth speaker, ensuring clear and audible sound. Specification: Interface: USB Wireless Type: Bluetooth WIFI 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 buttons required) Pairing pin code: 1234 Frequency range: 2.42 to 2.480 GHz Working current: 40mA maximum Compatible with 30PIN Operating range: 10m Material: Plastic Color: Black Package Contents: 1 x Bluetooth Audio Transmitter Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement may vary by +/- 1-3cm.