Bluetooth 5.4 Audio Adapter NFC Transmitter Receiver Optical Coaxial AUX USB TF Card Player Wireless Audio Streaming for Car Home

Product Features

1. Stable Bluetooth 5.4: Features Bluetooth 5.4 chip with low-latency transmission, supporting A2DP/AVRCP protocol, up to 10m connection range for phones, tablets, and speakers.
2. One-Touch NFC Pairing: Built-in NFC sensor allows instant pairing by tapping your phone to the adapter, eliminating complicated Bluetooth setup steps.
3. Multi-Mode Operation: Supports RX (Receiver)/TX (Transmitter)/FM modes. Upgrade non-Bluetooth speakers to wireless, or send TV/PC audio to Bluetooth headphones/speakers.
4. Rich Connectivity: Built-in digital-to-analog chip with AUX/RCA/Optical/Coaxial input/output ports, plug-and-play compatibility with most audio devices.
5. Local Media Playback: Directly plays music from USB drives (≤64GB) or TF cards (≤64GB), supporting MP3/WMA/APE/FLAC/WAV and other lossless formats without a connected device.
6. LED Display & Control: Real-time display of mode, frequency, and battery level. Buttons allow track switching, volume control, and mode adjustment for intuitive operation.
7. Long-Lasting Battery: 3.7V/500mAh lithium battery provides ~10 hours of use in RX mode and ~8 hours in TX mode after 2 hours of charging, with Type-C power option for continuous use.

Specifications

• Model: M6
• Bluetooth Version: Bluetooth 5.4
• Supported Protocols: A2DP/AVRCP
• Operating Frequency: 2.402 GHz - 2.480 GHz
• Sensitivity: -85 dBm < 0.1% BER
• Signal-to-Noise Ratio: ≥90 dB
• Distortion: ≤0.1%
• Interfaces:
  • Input: 3.5mm AUX + RCA + Optical + Coaxial + USB + TF Card
  • Output: 3.5mm AUX + RCA
• Optical Specs: Supports 16bit/99kHz sampling rate
• Supported Formats: MP3/WAV/WMA/APE/FLAC/G729/M4A/ALAC/AMR/DTS/MIDI/G726/MTY
• Display Size: 36 × 8 mm LED Screen
• Operating Current: < 40 mA
• Battery: 3.7V/500mAh Lithium-ion
• Charging Current: ~400 mA
• Charging Time: ~2 hours
• Battery Life: ~10 hours (RX mode), ~8 hours (TX mode)
• Bluetooth Range: ≤10 meters (open area)
• Charging Port: Micro-USB 5V/0.5A
• Dimensions: ~92 × 65 × 20 mm

Package Includes

• 1 × Bluetooth Audio Adapter
• 1 × 3.5mm Audio Cable
• 1 × RCA Cable
• 1 × Micro-USB Charging Cable
• 1 × Remote Control
• 1 × User Manual
• 1 × Retail Package

Application

• Home Stereo Upgrade: Add Bluetooth capability to old amplifiers/speakers for wireless music streaming from phones/tablets
• TV Audio Transmitter: Send TV/set-top box audio to Bluetooth headphones/speakers for quiet late-night viewing
• Car Audio Modification: Add Bluetooth functionality to older car stereos for hands-free calls and music streaming
• Desktop Audio System: Connect PC via optical/coaxial to speakers or transmit to Bluetooth headphones for low-latency music/gaming
• Portable Music Player: Play directly from USB/TF cards without a phone, ideal for outdoor and camping use
• Audio Signal Conversion: Convert digital optical/coaxial signals to analog AUX/RCA for compatibility with different devices

Notes

1. Confirm the mode matches your device: RX for speakers (receiver mode), TX for TV/PC (transmitter mode).
2. When using optical/coaxial connections, ensure your device supports digital audio output and set the correct audio format.
3. Do not charge for more than 4 hours to avoid overcharging the battery.
4. Turn off the power when not in use for extended periods and store in a dry environment to prevent circuit damage.