<p>Features: 1. Easy to Use: Bluetooth-compatible version: 2.1. There is no need to install any software, plug and play.</p> <p>2. Wireless Bluetooth-compatible: The TV sound is transmitted to the home combined speaker through Bluetooth-compatible, so there is no need to worry about the trouble caused by wiring.</p> <p>3. Enjoy the Music: By transmitting TV sound to Bluetooth-compatible headset through Bluetooth-compatible, you can enjoy the shocking sound effect alone in the dead of night without worrying about disturbing others.</p> <p>4. Wide Usage: This Bluetooth-compatible transmitter is not only suitable for home use, but also for classroom speeches and conference speeches.</p> <p>5. High Performance: Speak directly to the product's Mark air outlet, and you can transmit the speech sound to the Bluetooth-compatible speaker. There is no need to worry that is too small to be heard by others.</p> <p>Specification: </p> <p>Interface: USB</p> <p>Wireless Type: bluetooth-compatible</p> <p>WIFI Standard: None</p> <p>Content: AUDIO</p> <p>High Definition Support: None</p> <p>Model Number: Audio Transmitter</p> <p>Support paired Bluetooth-compatible stereo headset\/headset to control play\/pause, forward\/backward</p> <p>Support automatic pairing (no keys)</p> <p>Support pairing pin code: 123400008888</p> <p>Frequency range: 2.42 to 2.480 MHz (analog) spectrum</p> <p>Working current: 40mA maximum</p> <p>Compatible with 30PIN</p> <p>Operating range: 10m</p> <p>Material: plastic</p> <p>colour: black</p> <p>Package Contents: </p> <p>1 x Bluetooth Audio Transmitter</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>