Bluetooth Decoder Board MP3 Lossless Car Speaker Amplifier Modification Bluetooth 4.1 Circuit Board(5 Keys)

Bluetooth Decoder Board is an amplifier board designed for audio playback. It supports lossless audio decoding and can connect to Bluetooth 4.1 devices, U disks, and TF cards for music playback.

• Product Type: Breadboard / Amplifier Board
• Compatibility: Bluetooth 4.1 devices
• Material: Circuit board
• Key Feature: Supports lossless audio decoding
• Power Supply Interface: Micro USB 5V power supply
• Power Supply Pad: External 3.7V-5V power supply modification
• USB Interface: Supports playback of MP3, WAV, APE, FLAC files; FAT16/32 file format
• TF Card Slot: Supports playback of MP3, WAV, APE, FLAC files; FAT16/32 file format
• LED Indicator: Bluetooth mode light is on; music playback mode light is flashing
• 3.5mm Stereo Output: Standard 3.5mm interface for audio input; compatible with headphones and amplifiers
• Button Functions: MODE (switch modes), P/P (play/pause), NEXT/V+ (next song/volume increase), PREV/V- (previous song/volume decrease), RPT (single song/loop switching)
• Mode Control: Defaults to Bluetooth mode when no U disk or TF card is plugged in; defaults to music mode when a U disk or TF card is connected
• Bluetooth Pairing: Ready to pair with devices; prompts for successful connection
• Note: Recommended to use USB 5V power supply for U disk playback; supports FAT16/FAT32 file system only

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