|
Power Supply |
3.7-5V |
|
SNR |
90dB |
|
THD+N |
-70dB |
|
Crosstalk |
-86dB |
|
DNR |
91dB |
|
Support Profile |
A2DP/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 board
Bluetooth USB TF SD Card Decoder
Power Supply: 3.7-5V
SNR: 90dB
THD+N: -70dB
Crosstalk: -86dB
DNR: 91dB
Support Profile: A2DP/AVCTP/AVDTP/AVRCP/HFP
LOS: >15m
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.
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 switch
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:
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.
1PC*3.7-5V Bluetooth 4.1 MP3 Player Lossless Decoder Board Micro USB TF SD Card
2. We ship your orders within 1-2 business days after the payment cleared.
3. Item shipped from China via china Post Airmail, reach most of the countries within 2 to 4 weeks.
4. Delivery time depends on destination and other factors, it may takes up to 20 days. If you don't receive
the item after 30 days,please keep in touch with us, we'll investigate and solve the delivery problem.
5. Import duties, taxes, and charges are not included in the item price or shipping cost. These charges
are the buyer's responsibility. Please check with your country's customs office to determine what these
additional costs will be prior to bidding or buying.
1. We accept PAYPAL only.
2. Payment must be made within 7 days of auction closing (Unpaid dispute will automatically open when item
is not paid in 7 days).
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when you make payment
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product shipped, please keep in touch with us immediately. Returns accepted within 14 days of delivery date
and item must be in original new condition, not worn or altered in any way with attached tags & wrap.
Otherwise deal is final. Return shipping must be paid by buyer.
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