Mode:
TX - Transmitter Mode
Wireless transfer audio from your non-Bluetooth media devices (such as TV, CD/player, Projector) to your Bluetooth headphones or Bluetooth speakers via audio cable.
PC Audio Transmitter Mode
Wireless transfer audio from your PC to Bluetooth headset or Bluetooth speaker through USB port, no audio cable is required.
RX - Receiver Mode
Wireless transfer audio from your Bluetooth-enabled to your non-Bluetooth headphone/speakers/car stereo system via audio cable.

Wide compatibility
It is suitable for non-Bluetooth computers, and also for non-Bluetooth devices with 3.5mm audio hole.

Note:
*Only device can be connected at a time.
*No built-in microphone to calls.
*3.5mm audio cable is used to transfer audio.
*In addition to power supply, USB can also transmit audio when directly plugged into the computer, which will be recognized as a speaker. If you do not use the audio cable, you can find Zf-169p in the playback device on your computer, but the Bluetooth logo is not displayed.
*When used on PC, if the prompt 'Unable to identify the device' is displayed, this means that the USB interface is not inserted properly.
*The volume can only be adjusted through the music player, not the computer system. When 3.5mm audio cable to connect PC(projector, CD player, etc.), you can adjust the system volume.
*When pairing with Bluetooth headphones, turn off nearby smartphone Bluetooth to avoid affecting the pairing.

Specification:
Bluetooth Version: 5.0+EDR
Material: ABS
Bluetooth Format: HFP/HSP/A2DP/AVRCP
Input Interface: Micro USB
Input: 5V/1A
Product Size: 1.5*1*0.5inches

Package:
1x USB Bluetooth Transmitter Receiver
2x 3.5mm Audio Cable(1.6ft/50cm)
1x User Manual


【Bluetooth5.0 + EDR】 Wireless connection to various Bluetooth devices is achieved by plugging the Bluetooth adapter into non-Buetooth devices. It stably connects to TV, Stereos, PC, MP3, Car, Speakers, Headphones, Smartphone, and achieve a range of up to 50ft (15m) in open and up to 33ft(10m) indoors.
【Upgraded 3 in 1 Transmitter Receiver】The USB Bluetooth 5.0 Audio Transmitter Receiver can transmit audio from your non-Bluetooth audio sources(TV, PC, MP3, CD player or book Reader, etc.) to your Bluetooth headphones, speaker. And also can make your non-Bluetooth headphones, speaker receive the audio from Bluetooth Audio sources(cell , , etc.) Easily switch between transmitter and receiver mode with button!
【No Driver Required】 When use on PC, power supply and audio transmission are achieved via the USB port, no 3.5mm audio cable / driver/software is required. *Just can transmit audio, not files.
【USB Power Supply】 USB has power function. During use, power must be supplied through USB port (such as power adapter, PC, car charger and other USB port). As long as the Bluetooth transmitter receiver connected with power, you will never worry that it will run out of power when listening to music.
【Provide 100% Satisfaction】 If any product’s quality, we offer no-hassle /return/exchange . That's how confident we are with our product.Note: This device is not available for answering calls.