USB Bluetooth Adapter USB Bluetooth 50 Audio Transmitter ReceiverHandsFree Calling 3in1 35mm USB Bluetooth Aux Adapter for Car PC HeadphoneTV

Mode introduction make A Transmitter 1. Plug the usb of our device to the usb socket where it can supply 5v power. 2. Turn the button to TX on the side of our device. 3. If A device is PC, everything is ready. If it is not, such as it is a TV, you should also use our aux cable connectting our deviceTX hole to your TV aux hole. 4. Then the light of our device turns red and it is flashing (because it is looking for bluetooth receiver) Now transmitter is ready. If bluetooth receiver is found, the light keeps red.

Make B receiver.
1. Plug the usb of our device to the usb socket where it can supply 5v power. 2. Turn the button to RX on the side of our device. 3. Use our aux cable connectting our device s RX hole to your B devices aux hole. 4. Then the light of our device turns blue and it is flashing (because it is waitting for bluetooth transmitter) Now receiver is ready. If bluetooth transmitter is found, the light keeps blue. TX- RX You can bought two of our device and one can be transmitter, the other can be receiver.

Attention: 1. Make sure your usb socket can supply 5v power to our usb plug. 2. Make sure turn off all other irrelevant bluetooths (include your phone) 3. If connecting is fail, you can cancel ZF-169 Plus pairing(not display this mark also work ok too, such as pc), or turn of 5V usb power, then restart to pair it. 4. It is plug and play device. Neednt any driver. Package 1x USB Bluetooth Transmitter Receiver 2x 3.5 mm Audio Cable( 1.6 ft/50cm) 1x User
Manual Specification Bluetooth Version: 5.0 +EDR
Material: ABS
Bluetooth Format: A2DP / AVRCP (receive only mode)
Input Interface: micro
USB Input: 5V/1A
Connection Distance: 33-50ft/10-15m (depending on the using environment)
Product Size: 1.5 *1* 0.5 inches
Product Weight: 0.2 oz