Includes all taxes
• Two Channels :Enjoy high-quality sound with two channels of audio for a more immersive karaoke experience.
• Automatic Frequency Adjustable :The microphone automatically adjusts its frequency, making it easy to use and ensuring optimal sound quality.
• Handheld Design :The handheld design of the microphone makes it easy to use and perfect for on-the-go karaoke sessions.
• Uni-directional Polar Patterns :The microphone's uni-directional polar patterns ensure that your voice is captured clearly and accurately, without any background noise or distortion.
Frequency Adjustable:
Dual UHF wireless microphone system with selectable frequency: 520-580MHz. Employs PLL frequency synthesized technology to provide hassle-free sound transmission, minimum dropouts, and maximum feedback rejection. Smooth and quick IR synchronization. Long range operation of 200ft – 250ft line of sight.

Anti-interference feature:
Karaoke wireless microphone equips with auto scan function, which enables system to search for the least interference channel to pair up with transmitters. 2 antennas design increases anti-interference ability and decreases interference between each channel.


Microphone Easy to Use, Plug and Play, Automatic Pairing:
Plug the receiver into the MIC jack Only , but not into the AUX jack. Then turn on the entire system, the receiver will automatically synchronize its frequency with the microphones. Adjustable Volume Control. Perfect for indoor, outdoor, karaoke, party, church, meeting, wedding, speech, class, opening ceremony, promotion, DJ, small live performance on stage, professional engagement or religious event, etc.




G320AM frequency adjusted method:
1. Click the ● of the receiver, and then click ▼.
2. Select the channel, press ● again, there will be a drop of sound.
3. Align the circular hole of the wireless microphone with the IR of the main unit. After the sound is reduced, if the frequency of the microphone is the same as the main unit, it means that the frequency is corrected.
4. When the frequency displayed in the receiver is the same as the handheld screen, the frequency adjustment is complete.



G-MARK Proprietary Capsule:
The dynamic microphone's capsule of each microphone is developed and manufactured by G-MARK and is printed with the G-MARK logo. The high-quality core effectively limits feedback and interference, picks up sound smoothly and transmits it with ease. Provides clear, powerful, best true sound.










Devoted Service:
Genuine G-MARK Microphone comes with 12-month manufacturer assurance and supportive customer service. Welcome to come to us for troubleshooting or replacement of discontinuous/defective parts.
SPECIFICATIONS
System parameters:
Audio frequency response: 50Hz-18KHz
Dynamic range: ge 80dB
System distortion: le1%
Signal to noise ratio: ge 60dB
Ideal distance: 80m
Operating temperature range: 5 ℃ -4.5 ℃
Carrier frequency range:520-580 MHz
TRANSMITTER
Frequency stability: plusmn 0.005%
Carrier output power: le 30Mw
Spurious radiation suppression:>40dB
Modulation: FM
Maximum modulation: More 75KHz
Pickup mode: Dynamic microphone
Use power: 1.5V Battery power
consumption: <30mA
Volume: Ф37X 250mm (hand-held microphone)
RECEIVER
Receiver sensitivity: <2muV Mirror
suppression:> 40dB
To increase: 50muS
Audio output impedance: 600Omega
Audio output level: 0-0.5V
Use power: AC110-240V 50 / 60Hz
Power consumption: 3W
Volume: 420X210X45mm
Package Included:
1 Wireless Receiver,
2 UHF Wireless Handheld Microphones,
1 1/4" Audio Cable,
1 power adapter,
2 Antennas,
2 Roll Rings,
1 x User Manual

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