Lossless Audio Formats: Fully decodes high-fidelity file formats including WAV, APE, FLAC, and MP3 for deep, rich audio quality.
Versatile Powering Options: Easily shifts between a stationary 5V USB adapter power source and a portable 3.7V lithium battery setup.
Auto-Reconnect Function: Features an automatic return function that instantly pairs with the last connected smartphone or tablet when turned on.
LED Status Indicator: Equipped with a built-in blue LED that blinks during pairing mode and stays solid once a stable connection is established.
Bluetooth Version: 4.1 (fully backward compatible)
Operating Voltage: 3.7V – 5V DC
Maximum Wireless Range: Up to 15 meters (clear line of sight)
Signal-to-Noise Ratio (SNR): 90 dB
Dynamic Range (DNR): 91 dB
Total Harmonic Distortion (THD+N): -70 dB
Supported Protocols: A2DP, AVCTP, AVDTP, AVRCP, and HFP
Dimensions: Compact square footprint measuring 30mm x 30mm x 7mm
The MP3 Bluetooth 4.1 Decoder Board is an ultra-compact, lightweight wireless audio receiver module designed to seamlessly add Bluetooth capabilities to non-wireless audio setups. It supports lossless audio decoding for multiple popular music formats to deliver high-quality stereo sound with minimal latency and distortion.
A standout feature of this module is its dual-power flexibility. It can be conveniently powered via its onboard Micro-USB port (5V) or by soldering a standard 3.7V to 5V lithium battery directly onto the dedicated power pads. For audio routing, it includes a convenient onboard 3.5mm audio jack for plugging in headphones or AUX lines, alongside direct solder pads (Left, Right, Ground) to easily wire the audio feed into an internal amplifier board.
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