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Product Description

CSR8645 APTX
Bluetooth Standard:4.0
Type:Bluetooth 4.0 Amplifier Board Brand:DIY
Power supply:3.6v-6.5v
DC Model:CSR8645
Power:5w+5w DIY
Package includes:
1X Bluetooth 4.0 CSR8645 Amplifier Board 5W+5W APT-X Stereo Receiver Amp Module


CSRA64215 APTX-LL
1.Support USB sound card
2.Support call
3.Support TWS box
4.Bluetooth stereo (SBC,AAC,APTX,APTX-LL)
5.Key Control:next/vol+,play/pause/call/repeat matching,TWS matching key (short press is slave,long press is slave),previous/vol-
Package includes:
1X CSRA64215 Bluetooth V4.0 V4.2 Audio Module Support USB Sound Applied


QCC3031/3034 Bluetooth 5.0

Power amplifier board size: 5.7x3.3CM
CSRA64215 supports APTX, APTX LL; CSRA64210 does not. No difference
With call function, CSRA64215/CSRA6420 low power consumption, power on, maximum volume, support TWS box.
3.6-5.5V power supply (compatible with lithium battery or 5V)
VCC and GND are power supply pins, and L, G, and R are connected to headphones.
M+ and M- are the positive and negative of the microphone
COM is the common end of the button, and the other end of the button is connected to VOL+, VOL-, PREV, NEXT, PLY
Key Description:
“VOL+”: short press volume, long press continuous volume plus
“VOL-”: short press volume down, long press continuous volume minus
"NEXT": short press
“PREV”: Short press on the previous track
“PLY”: short press play/pause/answer/hang up, long press 1 second to reject the call
Special function description:
“PLY”: Press and hold for 3 seconds to force the pairing mode, press and hold for 6 seconds to clear the pairing list.
“PLY”+“VOL+”: Press and hold for 1 second at the same time to enter the search TWS mode.
“PLY”+“VOL-”: Press and hold for 1 second at the same time to enter the searched TWS mode.
“VOL+”+“VOL-”: Press and hold for 1 second to disconnect TWS

Package includes:
QCC3031/3034 Bluetooth 5.0 Lossless APTXHD Pair Box TWS Headphone Amplifier HIFI


BK8000L Board
100% Brand New and High Quality.
Shape: Same as the picture show
1. Type: BK8000L Bluetooth Amplifier Module
2. Size: 29mm x 24mm

Please Note That:
Only the Bluetooth audio module BK8000L adapter board, not welded

Package included:
1Pcs BK8000L Bluetooth Amplifier Board Module For Sound Box Amp Speaker Module

We are spending more than  6 years in eBay business, we promise, we are an Honest and Hard-working seller, we do love our Job, we already try our best to provide best services.
 
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 Our reputation for excellent customer service has been built over 5 years of trading by providing great value and support to all of our customers. With tens of thousands of products shipped,we understand the things that matter to you, the buyer.

  • We ship to Paypal registered address only!

  • Items will be shipped within 24 hours after payment received.

  • For Items that shipped from China is send by Airmail, it normally take 15-35 days for delivery

  • For Items that shipped from UK warehouse is send by Royal Mail
    , it normally take 2-5 days for delivery, and no tax to The European Union!!!

  • If you do not receive your item after 35 days. please contact us immediately for further assistance. We will be responsible for any damages or losses incurred in the shipping process.

  • Import duties, value added taxes and any other charges are NOT included in the item price or shipping costs. As an eligible importer,you are responsible for any reasonable tax or any other importation fees.

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  • Payment must be received in 5 business days .
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  • Specialized in electronic components and moudels.
  • Real store, Goods in stock.
  • Competive price. Good quality
We have more than 8 years experience in international business.have a wealth of experience in shipment. and we work with reliableshipment company, can get good price from DHL in Hongkong.

1. We take care of all requirements from every single valued customer, like you. Therefore, we do our best to control the quality of each item before sending.

2. In very rare case, if the product is found faulty, please contact us for return or refund.

3. In addition, we offer 30 days unconditional Refund Warranty and 1 Year Manufacturer Warranty.

4. We must be informed if you do not like the device within 7 days upon receiving the item and we will give you a returned merchandise authorization number (RMA). Without (RMA), the buyer will be responsible for any loss of return.

5. All returns must include all original items undamaged, in re-saleable condition, all original packaging including manuals, warranty forms, etc.

6. As we are selling all items on eBay from factory at lowest price, we are unable to refund you shipping and handling costs. Buyer is responsible for shipping costs incurred shipping products back.

 

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