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This product have 2 options:

Bundle 1 : only board(without case) $28.5

Bundle 2 : Finished product(with case) $34.5

Parameters:

1: Bluetooth 5 version

Others: Bluetooth 2 or 3, dare not publish Bluetooth version.

2: the CSR8675 Bluetooth module in the UK supports APTX transmission. The advantage of supporting APTX HDaptX is that it can play 16-bit/44.1kHz audio in the way of music transmission. However, because aptX uses compression to reduce the delay of audio encoding, it can only bring “CD like sound quality” instead of real “CD level sound quality”.

The emergence of aptX HD is related to the popularity of high definition audio, which supports up to 24-bit/48kHz audio, that is, we will be able to listen to sound quality music with wireless devices. Compared to the traditional aptX 352kbps ratio, aptX HD has more advantages than 576kbps bit rate.

3: the input and output of the signal is all used for the firing element.

Others: use common components and dare not expose internal pictures.

4: digital output has plastic chip and digital isolation transformer.

Others: no this function

6: coaxial and optical fiber output.

8: original software development, with its own Bluetooth name

Other: use general software, poor stability

9: multi-channel independent voltage regulator function +CLC filter, external phone charger can be

The operation is very simple. After the mobile phone detects the Bluetooth device, press the pairing.

PCB size: 80X60MM

Shell size: 68X20.5X86MM

Pure digital reception, similar products are received analog signals and then turn digital, the British CSR8675 chip directly output digital signal, Bluetooth to SPDIF digital output function. Bluetooth version 5. Software that is independently developed. A fever design and feverish material. CSR8670 only supports APTX, 16BIT transmission. CS8675 supports native 24BIT support APTX-HD

Bundle 1

” Welcome to HIFivv audio “

1. Ship Worldwide, Free shipping by China Post Registered Air Mail. usually need about 10-39 business days.Received product according to different countries have different number of days. Hope that buyers support and understanding.

2. We ship to worldwide except APO/FPO address. All items will be arranged shipping within Two business day upon payment cleared.

3. Ship by Standard Flat Rate Shipping Service, under normal circumstance, .In most cases, international shipping takes around 10-39 business days (about 1 month). We try our best to provide you the most reliable, affordable way of shipping service. But sometimes international delivery is highly depended on the local customs and post service. If you do not receive your item on time, please contact us immediately for further assistance. We will be responsible for any damages or losses incurred in the shipping process.

1. If you are dissatisfied with our item or service, then please contact us by sending message before leaving any feedback. We are committed to resolve all issues in a friendly and satisfactory manner.

2. We always reply messages within 1-2 business days. If you do not get a response from us, then please check your message. and kindly resend.

3. Original and return shipping fee will not be refunded or reimbursed under all circumstances. You must agree and acknowledge this term if you bid for this item. Therefore, please do not complain about having to ship back at your own expense.

Dear buyers, we appreciate your business, if you are satisfied with our service, please leave us a positive feedback and rate the details of the transaction (Detailed Seller Ratings) with a “PERFECT five STARS”. [When you rate the shipping time part please take international transit into consideration.] Your recognition will make us more confident to develop business and serve you better.

Our goal is to make sure you are a happy buyer and pleasant shopping with us. Please give us message before leaving any 1 or 2 ratings, neutral, negative feedback or open any dispute. We understand the concerns and frustrations you might have, and will do our endeavor to resolve the issues. Please give us the opportunity to resolve any problem.

SHIPPING AND DELIVERY

We are proud to offer international shipping services that currently operate in over 200 countries and islands worldwide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive in your country.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contain your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.

REFUNDS & RETURNS POLICY

Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.

Refunds

Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
If you received the wrong item you can request a refund or a reshipment.
If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
Your order did not arrive due to exceptional circumstances outside the control of LionnoirBoutique (i.e. not cleared by customs, delayed by a natural disaster).
Other exceptional circumstances outside the control of https://www.lionnoirboutique.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.

Exchanges

If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

HiFi audio CSR8675 Bluetooth 5.0 receive decoder amplifier coaxial Optical fiber output Digital Interface