2025 Official Oneplus Buds 4 TWS Wireless Bluetooth Earphone LHDC5.0 55dB Active Noise Canceling 45h Battery Life For Oneplus 13

$123.32

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Description

2025 Officia Oneplus Buds 4 TWS Wireless Bluetooth Earphone LHDC 5.0 55dB Active Noise Canceling 45h Battery Life For Oneplus 13


Product model (headphones/charging box)
: E513A

Sounding unit
: 11mm+6mm dual dynamic coil speaker

Speaker sensitivity
: 118±1.3dB @1mW

Frequency response range
: 15Hz-40kHz

Microphone sensitivity
: -38±1dB

Bluetooth codec
: LHDC5.0/AAC/SBC

Bluetooth version
: 5.4

Bluetooth effective distance
: 10m

Battery Type
: Rechargeable lithium-ion battery

Headphone battery:  62mAh

Battery capacity

Charging case battery: 530mAh

Noise reduction opening: 6H/24H

Music playback time (AAC encoding, default settings, 50% volume)

Permeability: 6.5H/27H

Noise reduction: 11H/45H

Noise reduction/transparency: 5.5H/22H

Music playback time (LHDC encoding, default settings, 50% volume)

Noise reduction: 9H/37H

Headphones for about 50 minutes

Charging time

The whole machine is about 80 minutes

Charging input (charging box)
: 5V-1.5A

Charging input (single headset)
: 5V=0.2A

Charging output (charging box to headphones)
: 5V0.4A

Charging port
: Type-C

Waterproof grade (headphones)
: IP55

Net weight - complete machine
: 49.02+1g

Net weight - headphones
: 4.73±0.2g

Net weight - charging box
: 39.57±1g

Size - Whole machine
: 65.4mmx52.4mmx25.3mm

Size - Headphones
: 31mmx20.6mmx24.2mm


Q1: Instructions on OnePlus Buds 4 LHDC5.0

A1: High-quality Bluetooth-encoded LHDC needs to be supported by both the mobile phone and the headset before it can be used. Non-OnePlus/OPPO requires high-quality Bluetooth encoding, and it is necessary to ensure that the phone supports LHDC. OnePlus Buds4's LHDC5.0 is not backward compatible. If OnePlus/OPPO mobile phones need to achieve the effect of LHDC5.0, you need to ensure that the mobile phone supports LHDC and the system version is ColorOS 13.1 and above: Please consult the corresponding mobile phone manufacturer whether other brand phones support LHDC5.0.

Payment Policy

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

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

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.

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