Bluetooth Adapter Transmitter and Receiver for TV Car PC Audio Transmitter 3.5mm ITEM DESCRIPTION: 【Transmitter & Receiver 2 IN 1】 - The portable adapter that can be used either as a transmitter or receiver. In transmitter mode, the adapter connects to your Bluetooth-enabled receiving devices such as headphones or speakers and transmits the audio signals to these devices. In receiver mode, the adapter connects to a Bluetooth-enabled cell phone and receives audio signals from it in order to then pass them on. Works with a device with a 3.5 mm interface. 【Bluetooth 5.0 + EDR】 - With the updated V5.0 + EDR technology, our wireless audio adapter enables a more stable connection with devices. Our Bluetooth receiver transmits music from your Bluetooth-enabled smartphone up to 15m (without obstacles). Ideal for home or vehicle audio systems. 【Wide compatibility】 - It automatically adapts to Bluetooth headphones, headphones, speakers and other Bluetooth-enabled audio systems. With the included 3.5mm cable, this USB stick adapter can be used on your computer, laptop, home stereo system, headphones, smartphone, MP3 player, CD player, etc. 【Plug & Play】 - The Bluetooth transmitter and receiver does not require the installation of an external driver. The red light is the transmitter mode and the blue light is the receiver mode. You can unplug the Bluetooth adapter from the USB port and re-insert it to switch between the two modes. Easy to carry and saves space. As long as the indicator light is on, it can be used normally, you can ignore the prompt "USB is not recognized". Instruction manual: * As a receiver unit: Connect the kit to the USB A port Connect the 3.5mm cable from the kit's receiver port (red light) to the device (speaker, car radio...). Turn on Bluetooth on your smartphone In the Bluetooth list, select the device names "TR6" Enjoy the music. ** As a transmitter Bluetooth unit: Connect the kit to the USB A port Connect the 3.5mm cable from the transmitter port of the kit (blue light) to the device (TV, car stereo, computer...) Turn on your Bluetooth headset and headphones. The blue light on the kit will flash. When the blue light stops flashing, the connection process is complete. Enjoy the music or movie. Package includes: 1x Transmitter & Receiver Bluetooth 1x 3.5mm cable 1x User Manual