Mini Bluetooth 4.1 dekóder - Mini Bluetooth 4.1 MP3 lejátszó Lossless dekóderpanel Micro USB TF SD kártya 3.7-5V

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Mini Bluetooth 4.1 MP3 Player Lossless Decoder Board Micro USB TF SD Card 3.7-5V
Description:
Mini Bluetooth 4.1 Decoder
Parameters characteristics
Power Supply3.7-5V
SNR90dB
THD N-70dB
Crosstalk-86dB
DNR91dB
Support ProfileA2DP/AVCTP/AVDTP/AVRCP/HFP
LOS>15m
Functions and interfaces defination
Interfaces specification:
USB powered: Universal Micro USB 5V power supply
3.7-5V Supply Pad: External 3.7-5V lithium battery power conversion
LED indicator: Bluetooth mode long blue light
3.5mm stereo audio interface: Standard 3.5mm interface, output stereo sound source, plugin, headphones, connect amplifiers and other devices
Dimension: 30*30mm(L*W)Operating specification:When power on and blue led is on, it goes into Bluetooth mode and it is ready to pair. The device named “XY_BT” Cell phone searched is the decoding board device.Connecting the “XY_BT” device with cell phone, the decoding board plays “The bluetooth device is connected successfuly”, the decoding board has connected with the cell phone successfully, and you can playing music through the bluetooth device. Showing in the below picture .
Package Included:
1PC*Mini Bluetooth 4.1 Audio Decoder Board MP3 Lossless Amplifier Circuit boardBluetooth USB TF SD Card Decoder
Support for Bluetooth 4.1, support automatic return function, support WAV APE FLAC MP3 lossless decoding, stereo output, comes with TF card download, support U disk, TF card player.Parameter:
Power Supply: 3.7-5V
SNR: 90dB
THD N: -70dB
Crosstalk: -86dB
DNR: 91dB
Support Profile: A2DP/AVCTP/AVDTP/AVRCP/HFP
LOS: >15mInterface specification:
Power interface: Universal Micro USB 5V power supply
3.7-5V supply pad: 3.7-5V power supply modification
U disk interface: Support play U disk MP3 / WAV / APE / FLAC file, support FAT16 / 32 file format
TF card interface: Support play MP3 card in the MP3 / WAV / APE / FLAC file, support FAT16 / 32 file format
LED indication: Bluetooth mode blue light long, music mode blue light flashing
3.5mm stereo output: Standard 3.5mm interface, the output stereo sound source, can be inserted headphones, connected amplifier and other equipment.Key&Function:
MODE: “click it once “，TF card, U disk, Bluetooth mode switch
P/P: “click it once “，Play and pause the switch
NEXT/V : “click it once “The next song，”Keep pressing “The volume increases
PREV/V-: “click it once “On a song，”Keep pressing “Volume down
RPT: “click it once “，Single / loop switchInstructions:
1.mode control
When the decoder board is not inserted U disk or TF card, boot the default is Bluetooth mode; when the decoder board plug U disk or TF card, boot the default music mode; MODE key to switch mode.
2.music mode
Insert the U disk or TF card to play the stored audio files.
3.Bluetooth mode
Switch the mode broadcast English "The bluetooth device is ready to pair", that enter the Bluetooth mode and wait for the pair; mobile phone Bluetooth search to the "XY_BT" is the decoder board device name, click on the link, the decoder board prompt "The bluetooth device is connected successfully", Indicating that the decoder board and mobile phone connection is successful, you can play music. As shown below:Precautions:
1, if the U disk to play, it is recommended to use USB 5V power supply (not recommended to use 3.7V lithium battery), because the early U disk does not support 3.7V voltage.
2, U disk or TF card, decoder board only supports FAT16 / FAT32 file system, does not support NTFS system.Package included:
1PC*3.7-5V Bluetooth 4.1 MP3 Player Lossless Decoder Board Micro USB TF SD Card

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