eBay

Description:
Mini Bluetooth 4.1 Decoder

Parameters characteristics

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

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: >15m

Interface 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 switch

Instructions:
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

Shipping
Feedback
Contact us
Return Policy

Shipping

Domestic
We believe you need to get your purchases as quick as possible. As a general rule your item will be shipped within 24 hours of you purchasing it. We pack and post from Tuesday to Sunday (Mondays we are closed) but definitely get all our mail off to the post office first thing Monday morning for you. Mail gets picked up at 12pm so chances are if you buy before lunchtime your item will leave the same day.

International
Same as above but understand that depending on what part of the world you are from it does take a little longer to send, delivery can be from 7-15 working days. Also other factors to take into consideration are quarantine and customs regulations in your country. It is also a consideration that customs duties and GST/VAT may be payable at the buyers expense.

Combined Postage (for items with shipping charges):
We are more than happy to combine postage, just use the Buy it Now function in eBay (but DO NOT PAY after purchasing each item) to buy all the products you need, when you have finished request a combined invoice, we will base the shipping cost on the size, weight and your location.

Feedback

Your Satisfaction is our Priority. Our goal is to make all our customers as happy as possible while shopping with us.

For anything problem about product, price, shipping or order status, pleasecontact us via eBay message.Just contact us using the " Ask the seller a question" link on eBay.
We expect positive feedback and 5 scores DSR from you.

Return Policy

We believe our items are so outstanding. We are convinced you will be happy with your Purchase.
If you do not satisfy with our items. Please simply return to us within 30 Days in original condition. Just pay for the returned postage. Then we can issue full refund to you after the returned item arrived at our warehouse.
Please include your eBay ID and item number with any email requests.