Bluetooth 5.0 Transmitter Receiver Adapter Audio 3 in 1 Bluetooth Audio Adapter 3.5mm AUX RCA Optical USB HiFi Stereo Music, FCC Pass 2A4RO-M6

Safe and
Secure: This Bluetooth adapter has FCC authorization, the
FCC ID is: 2A4RO-M6, and has CE certification, complies with regulations, is legal for sale, operates in accordance with FCC authorization, complies with applicable industry standards, and does not interfere with other electronics.
3-IN-1 Design: Supports Bluetooth receiving (RX), Bluetooth transmitter (TX), and FM transmitter mode. Equipped with an HD LED display, the working status and Bluetooth mode are clearly visible. With multi-function buttons, one-key switch mode, or play/pause music, simple operation. Built-in high-definition microphone, supports wireless music listening, hands-free calls, and navigation, letting you drive more safely.
Bluetooth 5.0 HI-FI Sound: It features an advanced Bluetooth V 5.0 chip to ensure Hi-Fi stereo lossless Bluetooth audio signal for music streaming to AUX or RCA input speakers, car or home stereo systems.
Multiple Interface Options: Built-in digital to analog chip, supports 3.5 mm AUX, RCA, digital optical, coaxial, USB (memory card), and TF interface. Comes with an AUX cable, RCA cable, and USB charging cable; it can satisfy all of your connection needs and match with various audio devices with both Bluetooth and non-Bluetooth function.
Note: For optical fiber transmission, please remember to plug in the optical fiber interface, and then the product needs to switch to OPT optical fiber mode before it can be used. The default mode is Bluetooth mode, and switching to the corresponding mode can realize optical fiber transmission and playback. The maximum sampling rate of optical fiber is up to 192KHz.
Notice: When you find that you need to reset your device multiple times to connect instead of connecting automatically, you need to check if your other devices (like your phone) have Bluetooth turned off.
Tips for pairing headphones: Long press the button of the headset charging compartment to make the indicator become milky white; pay attention that your mobile phone Bluetooth must be turned off at this time to avoid connecting back. Then open the Bluetooth adapter, switch to the TX red light, and wait for the pairing