Includes all taxes
The content of V4 upgrade:
1. The receiving part of Si4732 is equipped with a shielding cover to suppress electromagnetic interference. To ensure the safety of the SI4732 DSP main control, an ESD device was added at the antenna input end.
2. Move the Hi-Z circuit to the front end of the antenna path and use a more stable VCC_RADIO power supply to maintain signal resonance and reduce noise.
3. A new function of using wired headphones as FM antennas has been added (it needs to be used in an environment with strong FM signals, and the headphone cable should be relatively long to achieve better results).
4. The left and right channels have been swapped. At the same time, readjust the parameters of the power amplifier and speakers to improve the sound quality.
5. More expensive and advanced accessories have been replaced: a more robust and durable telescopic antenna, and a more comfortable and anti-slip knob cap




Basic functions:
1. It adopts ESP32-S3 main control +SI4732 DSP, supports broadcast ALL Band, LSB USB AM FM mode, and supports AGC/ATT functions
2. It adopts a 1.9-inch IPS high-definition color screen, supporting the adjustment of screen backlight brightness and battery level display
3. It is equipped with a built-in 1W power cavity speaker, providing a loud and pleasant sound quality
4. Supports upgrading to the latest firmware. The firmware version pre-installed in the factory should be at least VER.2.3.1. Due to frequent firmware updates, please update the firmware to the latest version in a timely manner according to the manual after receiving it to maintain the latest usage experience.
5. It is equipped with an internal headphone amplification circuit, ensuring a loud and clear volume when listened to through headphones
6. Built-in Hi-Z circuit to enhance the resolution of weak signals
7. Insist on using the original ESP32 module (ESP32-S3-WROOM-1-N16R8), and do not use counterfeit modules of other cloned models.



Parameter:
- Brand: AMNVOLT
-Model (Hardware version) :V4
- Main control: ESP-32-S3
- Working mode: FM/AM/LSB/USB (Note: Not supported for aviation bands)
- Receiving frequency band: HF/SW/MW/VHF
- Frequency range: LW, MW,SW (150kHz - 30MHz), VHF (64-108Mhz)
- Screen: 1.9 inches, 170*320 resolution
- Screen brightness: 32 to 255 levels, adjustable
- Charging interface: TYPE-C (cannot be charged with a fast charger)
- Audio interface: 3.5mm three-segment stereo
- Antenna interface: SMA-KE (inner hole)
- Battery capacity: 800ma
Please note when purchasing:
Shell material: metal or ABS injection molding material. Two types of shell materials are available for your choice
Shipping list:
- 1 x AMNVOLT V4 radio
- Two antennas (telescopic antenna with pull rod/rotating antenna with ring)
Please note when purchasing:
1. If you choose the metal casing version, the aluminum alloy material has a certain shielding effect on wireless electromagnetic signals. While improving the performance of receiving interference, it will also lead to a weakening of the wifi signal connection strength. Please be aware of this before purchasing.
2. The headphones are not included in the shipping list. The headphones in the picture are only for demonstrating the FM antenna function. Please bring your own headphones!








Payment Policy – BILLIONS BIRDS
At BILLIONS BIRDS, we are committed to providing a safe, secure, and seamless payment experience for our customers.
1. Accepted Payment Methods
We accept the following payment options:
Major Credit & Debit Cards (Visa, MasterCard, American Express)
Secure Online Payment Gateways (such as PayPal, Stripe, or other providers available at checkout)
Any additional payment methods displayed during checkout
All payments must be completed in full at the time of purchase.
2. Secure Transactions
All transactions are processed through encrypted and secure payment systems to protect your personal and financial information. We do not store your full payment details on our servers.
3. Currency
Prices are displayed in the currency indicated on the website. If you are purchasing from another country, your bank may apply currency conversion fees.
4. Order Confirmation
Once your payment has been successfully processed, you will receive an order confirmation email containing your purchase details.
5. Failed or Declined Payments
If your payment is declined, please verify your billing information or contact your bank. Orders will only be processed after successful payment confirmation.
6. Fraud Prevention
BILLIONS BIRDS reserves the right to cancel or refuse any order if fraud or unauthorised activity is suspected.
Delivery Policy – BILLIONS BIRDS
At BILLIONS BIRDS, we are dedicated to delivering your orders safely and efficiently.
1. Order Processing
All orders are processed within 1–3 business days after payment confirmation. Orders are not processed or shipped on weekends or public holidays.
2. Shipping Times
Estimated delivery times vary depending on your location:
Domestic Shipping: 3–7 business days
International Shipping: 7–15 business days
Please note that delivery times are estimates and may vary due to customs procedures, carrier delays, weather conditions, or other unforeseen circumstances.
3. Shipping Costs
Shipping fees are calculated at checkout based on your location and selected shipping method. Any customs duties, taxes, or import fees are the customer's responsibility.
4. Tracking Information
Once your order has been shipped, you will receive a confirmation email with tracking details (if available) so you can monitor your package.
5. Delivery Issues
If your order is delayed, lost, or arrives damaged, please contact us within 7 days of the expected delivery date. We will work with the shipping carrier to resolve the issue as quickly as possible.
6. Incorrect Shipping Information
Customers are responsible for providing accurate shipping details at checkout. BILLIONS BIRDS is not responsible for orders shipped to incorrect addresses provided by the customer.
Refund Policy – BILLIONS BIRDS
At BILLIONS BIRDS, customer satisfaction is our top priority. If you are not completely satisfied with your purchase, we’re here to help.
1. Return Eligibility
You may request a return within 14 days of receiving your order. To qualify for a return:
The item must be unused, unworn, and in the same condition as received.
The item must be in its original packaging.
Proof of purchase (order confirmation or receipt) is required.
Certain items may not be eligible for return, including clearance items, gift cards, or personalised/custom products.
2. Non-Refundable Items
The following items are non-refundable:
Final sale or discounted items
Gift cards
Items damaged due to misuse, negligence, or improper care
3. Return Process
To initiate a return, please contact our customer support team with your order number and reason for return. If your return is approved, you will receive instructions for returning the item.
Unless the item is defective or incorrect, customers are responsible for return shipping costs.
4. Refund Processing
Once we receive and inspect your returned item:
We will notify you of the approval or rejection of your refund.
If approved, the refund will be issued to your original payment method within 5–10 business days.
Please note that banks or payment providers may require additional time to process refunds.
5. Damaged or Incorrect Items
If you receive a damaged, defective, or incorrect item, please contact us within 7 days of delivery and provide clear photos of the product and packaging. We will arrange a replacement or full refund at no additional cost.
6. Late or Missing Refunds
If you have not received your refund:
Check your bank account again.
Contact your credit card company or payment provider.
If the issue persists, don't hesitate to contact our support team for assistance.
Share your thoughts with other customers