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Product details
This Bluetooth 4.1 decoder board is a versatile, low-cost DIY module designed to upgrade audio systems with Bluetooth capability, supporting USB/microSD playback for MP3/WAV/APE/FLAC files. It features a 3.7-5V input, 3.5mm stereo output, and an on-board amplifier for direct speaker connectivity.
Specifications
Key Features
Key Features & Specifications:
Bluetooth Version: 4.1 (supports A2DP/AVCTP/AVDTP/AVRCP/HFP).
Audio Inputs: Bluetooth, USB, MicroSD/TF card slot, 3.5mm AUX jack.
Power Supply: 3.7V–5V DC (via micro-USB or soldering pads).
Output: 3.5mm stereo headphone jack or direct speaker output (stereo).
Audio Format Support: MP3, WAV, APE, FLAC (lossless).