4 in 1 Bluetooth 5.4 Audio Adapter Wireless Receiver Transmitter MP3 Player 3.5mm Aux TF Card Playback HiFi Digital Display

Features:

1.2-in-1 Bluetooth Transmitter Receiver: In TX mode, the bluetooth transmitter can transmit Non-Bluetooth audio sources (aircraft entertainment system audio, TV, MP3 player) to Bluetooth-enabled headphones and speakers via 3.5MM cable. In RX mode, the bluetooth receiver (RX mode) connects your smartphone to wired speakers/headphones/car stereo or home stereo via Bluetooth.

2.Mini Bluetooth 5.4 Audio Adapter: The Bluetooth 5.4 technology to provide longer transmission distance and stronger connection, audio won’t cut in/out easily. Up to 33 feet transmission range meets your daily use needs. You just need to connect it with Non-Bluetooth devices, then they can be upgraded to Bluetooth devices.

3.New Upgrade TF Card Mode: Insert the TF card directly and connect it to your vehicle, amplifier, wired audio or any aux jack and you'll have a audio experience. If wired headphones are connected, it can be used as an MP3 player to play TF card music directly. Supports multiple formats(MP3/WMA/APE/WAV/FLAC).

4.Safe Hands-free Calling: Built-in mic for answering calls, it equipped with noise cancellation technology, suppress environmental noise, pick up voices more accurately. One button to answer/hang up calls. This aux to bluetooth adapter also supports broadcasting voice notification from navigation. Provides you with the safety and convenience of hands-free calling while driving.

5.Plug and Play: Just plug and play, no driver needed, easy to setup. The Bluetooth adapter's built-in battery supports Type-C fast charging. It can be used continuously for about 6 hours after a full charge. Ensures enjoying your favorite wireless content whenever you want. LED display viewing is more convenient, real-time display of power, and the usage status is clear at a glance.

Specification:

Bluetooth version: V5.4

Wireless Protocol: AVRCP, A2DP, HFP

Output: 3.5mm Audio

Support TF card format: MP3,FLAC,WMA,WAV,APE

Transmission Distance: 10m/32ft (No Blocking)

Power supply method: Type-C interface

Product size: (approximately) 65mm x 32.2mm x 18mm

Battery Capacity: 200mAh 3.7V(0.74Wh)

Working hours: Approximately 6-7 hours on full charge

Charging Port: USB-C

TF card support: up to 64G [not included]

Frequency: 2.4GHz-2.48GHz

Microphone:YES(Only RX Mode Support)

Function: Receive/transmit/MP3 playback/3.5mm audio cable connection

TX (transmission mode)
1. Connect the adapter to a computer, TV, or other device that needs to be used with an audio cable, and turn the side switch to TX
2. Power on, when "TX" is displayed and continuously blinks, the adapter is in emission mode
3. Turn on the Bluetooth earphones or Bluetooth speakers and make sure they are in Bluetooth pairing mode. Wait for the adapter to automatically pair with Bluetooth headphones or Bluetooth speakers. After successful pairing, the display screen "TX" stops blinking and remains constantly on. Then, you can play music on your computer or TV, and the sound will be transmitted to Bluetooth headphones or Bluetooth speakers.

RX (receiving mode)
1. Connect the adapter to the speaker using an audio cable and turn the side switch to RX.
2. When turned on, the display screen will display "RX" and flash. At this point, the adapter is in receive mode.
3. Turn on Bluetooth, search for "GT69" and connect. After successful pairing, the "RX" on the display screen stops flashing and remains on, allowing music to be played.

Play music from TF card
1. Insert the TF card into the TF card slot on the side, the screen will display "TF", and the adapter will automatically start playing.
2. Long press simultaneously: Press and hold the up and down buttons while switching modes

Remarks:
If pairing fails, please confirm that the device to be paired is not being used by other devices. You can try pressing the "R" key a few more times. If it fails multiple times, please restart the adapter and Bluetooth earphones or Bluetooth speakers, and then repeat the above steps.

Product accessories: 
1 x Adapter
1 x Audio cable
1 x Charging cable
1 x Instruction