Feature:Specification:Item Type: Bluetooth MP3 Decoding BoardPower Supply: 3.7-5VSNR: 90dBTHD+N: -70dBCrosstalk: -86dBDNR: 91dBSupport Profile: A2DP/AVCTP/AVDTP/AVRCP/HFPLOS: >15mRemote Control Battery: L1131C button cellBattery Capacity: 75mAhVoltage: 1.5VInterface Description: Micro USB Power Supply: Universal 5V Micro USB Power SupplyUSB Audio: Connect to the computer via USB cable, can use as external sound cardU Disk Interface: Support playing MP3/WAV/APE/FLAC files on U disk, support FAT16/32 file formatLED Indicator: Bluetooth mode blue light is on, music mode blue light is flashingTF Card Interface: Supports playing MP3/WAV/APE/FLAC files in memory card, supports FAT16/32 file formatIR Remote Control: Support infrared remote control operationAD Key Interface: Button interface, providing different resistance parameters to achieve different button functionsBluetooth Decoding IC: Decoder board master chip3.5mm Stereo Output: Standard 3.5mm interface, output stereo sound source, can be plugged into headphones, connected to power amplifier and other equipmentRight Channel 3W: Audio right channel output, can drive 3W speakersLeft Channel 3W: Audio left channel output, can drive 3W speakers3Wx2 Amplifier: Onboard 2 channel 3W stereo amplifier, can drive 3W speaker3.7-5V Power Supply Bonding Pad: Realize external 3.7-5V power supply refitOperation Instruction:1. Mode ControlWhen
Support U disk and memory card playback, IR remote control function.
Support USB Audio Function, support memory card downloading.
On-board 3W stereo audio power amplifier.
Support WAV+APE+FLAC+MP3 lossless decoding.
Supports Bluetooth 4.1, automatic back connection function.