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Digital Audio Amplifier MP3 Bluetooth-compatible Decoder Board USB TF Card Wirless Amplifier Module

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Note: Due to some reasons, this product is out of stock recently. If you make bulk orders, please feel free to contact our customer service orders@icstation.com. Bulk orders will be realized. Please kindly noted. :)

Bluetooth voice player.It support Bluetooth wireless connections and SD card and U-Disk. Smart home playback.

1>. Bluetooth wireless connection.Longest communication distance 20 meter.
2>. Support max 32G SD card and U-Disk.
3>. Support decoding function.
4>. Support amplifier function.
5>. Pairing voice prompts.
6>. Support sound quality selection.
7>. Easy to use,just need power and headset.


No. Parameter Value
1 Mode XH-M421
2 Work voltage DC 5V / Micro USB
3 Storage mode TF Card,U-disk
4 Output Power 3W*2
5 Audio Socket 3.5mm
6 Size 68*48*10mm

Use Manual:
1>. Voice prompts ’Bluetooth mode.the Bluetooth device is ready to pair’ after power on.
2>. Turn on Bluetooth for your phone and search for the device ‘Bluetooth ’ and connect.Voice prompts ’Bluetooth mode.the Bluetooth device is connected successfully’ after pair.
3>. ‘Mode’ key : Short press is used for play/stop;Long press is used to select U-disk and TF card.
4>. ‘Play’ key : It is used for play/stop.
5>. ‘Prev/V-’ : Short press to select previous song;Keep press to reduce volume.
6>. ‘Next/V+’ : Short press to select next song;Keep press to increase volume.
7>. ‘EQ’ : Select voice play tone.

Indicator Description:
1>. Green LED and Blue LED will keep light after power on
2>. Blue LED will flashing if module connect to Bluetooth or U-disk or TF card.
3>. Default Bluetooth mode after power on.
4>. Priority.U-disk > TF card > Bluetooth.It will play music in U-disk if connect U-disk and Bluetooth at the same time.

1>. Speaker
2>. Smart home
3>. Voice prompts
4>. Hotel
5>. Mall
6>. Toy

Frequency asked questions:
1>. Is the voice prompt in English?
Q : Yes,It is.
2>. Can delete the voice prompt?
Q : No,it can not.
3>. Can playback priority be set?
Q : No,it can not.

Product Size:

Product Details:


Tested by ICStation's Outstanding Partner Stefan0719:

Learn More Details in below Videos:
(German Version)

 (English Version)

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First we should say that ICStation doesn't accept any form of pay on delivery.Items used to be shipped after receiving the order info and payment.

1) Paypal Payment

PayPal is a secure and trusted payment processing service that allows you to shop online. PayPal can be used at icstation.com to purchase items by Credit Card (Visa, MasterCard, Discover, and American Express), Debit Card , or E-check (i.e. using your regular Bank Account). 

We are PayPal Verified 


2) West Union


We know that some of you do not have the Paypal account. 

But please take it easy. You can use West Union payment method.
Learn more at West Union at www.westernunion.com.
For the receiver info, please contact us at orders@icstation-team.com.
3) Bank Transfer / Wire Transfer / T/T

Bank Transfer / Wire Transfer / T/T payment methods are accepted for orders which the total price is up to US$500. The bank will charge about US$60 for the transfer fee if we do the payment in these ways. 

For other payment method, please contact us at orders@icstation-team.com for more details.

1. Yanwen / YunExpress / 4PX / China Post Airmail Service

(1) Due to the high risk of package lost recently, we have to stop using the free shipping way these days. Hope for your kind understanding! And the $5 is for tracking number and delivery insurance ^0^ Enjoy order from us. 

Free Shipping for all orders over $20 ^0^ (with free tracking number and delivery insurance fee)

(2) Shipping time 
Shipping time is 7-20 business days to most of countries; please view below table for exactly shipping time to your location. 

7-15 working days to: Most of Asia countries
10-16 working days to: USA , Canada , Australia , UK , Most of Europe countries
13-20 working days to: Germany , Russia
18-25 working days to: France , Italy , Spain , South Africa
20-45 working days to: Brazil , Most of South America countries

2. DHL/FedEx Express

(1)Shipping Fee: Free for the order which meet the following requirements
Total price of the order >= 200USD or Total weight of the order >= 2.2KG

When the order meets to one of the above requirement, it will be shipped for FREE via EMS/DHL/UPS Express to below country. 
Asia: Japan , South Korea , Mongolia . Malaysia , Singapore , Thailand , Vietnam , Cambodia , Indonesia , Philippines 
Oceania: Australia , New Zealand , Papua New Guinea 
Europe& America: Belgium, Britain, Denmark, Finland, Greece, Ireland, Italy, Luxembourg, Malta, Norway, Portugal, Switzerland, Germany, Sweden, France, Spain, USA, Austria, Canada
Note: Shipping Fee to other countries, please contact orders@icstation-team.com

(2) Shipping Time & Delivery Time

Shipping time: 1-3 days
Delivery time: 5-10 working days (about 1-2 weeks) to most of countries. 

Because the package would be returned to the sender if it had not been signed by the receiver , please pay attention to the arriving time of the package. 


1) APO and PO Box Addresses

We strongly recommend that you provide a physical address for order delivery. 
Because that DHL and FedEx are unable to deliver items to APO or PO BOX addresses. 
2) Contact Phone Number
Receivers' contact phone number is required by express shipping agency for the package delivery. Please provide us with your latest phone number.

3. Note
1) Delivery Time of mixed orders with items in different Shipping Status should be calculated using the longest estimate times listed. 
2) Chinese Holiday Reminder: During annual Chinese holidays, services from certain suppliers and carriers may be affected, and delivery for orders placed around the following times may be delayed by 3 - 7 days: Chinese New Year; Chinese National Day,etc. 
3) Once your order is shipped, you will receive an email notification from icstation.com
4) Track the order which with tracking number via below links:

YunExpress / Yanwen / China Post: www.17track.net/en
FedEx: www.fedex.com


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Digital Audio Amplifier MP3 Bluetooth-compatible Decoder Board USB TF Card Wirless Amplifier Module

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