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HKM-669203 2.5mm Male to 3.5mm Female Headset Adapter for Mobile Phones
HKM-669203 2.5mm Male to 3.5mm Female Headset Adapter for Mobile Phones
HKM-669203 2.5mm Male to 3.5mm Female Headset Adapter for Mobile Phones
HKM-669203 2.5mm Male to 3.5mm Female Headset Adapter for Mobile Phones
HKM-669203 2.5mm Male to 3.5mm Female Headset Adapter for Mobile Phones
HKM-669203 2.5mm Male to 3.5mm Female Headset Adapter for Mobile Phones

Phone Accessories>>

HKM-669203 2.5mm Male to 3.5mm Female Headset Adapter for Mobile Phones


$44.99
Style:
- Default - 2.5mm
Quantity

In Stock | Secure Checkout | Express Delivery

Product Inquiry

📞 +1 (209) 280-3200
✉️ support@hekomart.com
We typically respond within 1 hour, 24/7.

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Introducing the HKM-669203 2.5mm Male to 3.5mm Female Headset Adapter, designed specifically for mobile phone users looking to enhance their audio experience. This adapter allows you to connect your 3.5mm interface headphones to mobile devices featuring a 2.5mm headphone port, making it an essential accessory for anyone used to high-quality audio.

Crafted with excellent workmanship, the HKM-669203 ensures sound quality fidelity transmission that delivers clear and crisp audio with every use. Its plug-and-play functionality makes it incredibly easy to set up and use—just plug it in, and you're ready to enjoy your favorite tunes.

Key features of this adapter include:

- 2.5mm male audio input and 3.5mm female audio output
- Fidelity sound quality transmission for a superior listening experience
- Compatibility with multiple mobile devices, particularly popular models like Nokia E51, E66, E71, E90, and others

Please keep in mind that this adapter is specifically designed for use with 3.5mm headphones and is not a universal adapter. It serves as an audio conversion bridge, allowing for seamless connectivity between varying headphone standards. The wiring sequence of the 2.5mm headphones primarily aligns with national standards, while most 3.5mm mobile phones adhere to American standards. Therefore, it may require an additional conversion to fully function together depending on your device's specifications.

Upgrade your audio experience today with the HKM-669203 adapter. It's the reliable and user-friendly solution for connecting your favorite headphones to your mobile phone.

P roduct Name: 2.5mm male to 3.5mm female mobile phone headset adapter

Product use: Through this adapter, the 3.5mm interface earphone can be used on the mobile phone with 2.5mm headphone port. Excellent workmanship and perfect output sound quality.

Product advantages: sound quality fidelity transmission, plug and play, easy to use.

Product plug: audio 2.5mm male audio 3.5mm female

Commonly used products: 2.5 to 3.5 adapter, 2.5 audio adapter, headphone conversion plug, mobile phone headphone converter, headphone converter

Special reminder: This paragraph is used for 3.5mm interface headphones. This adapter is not a universal adapter, just an audio conversion of the audio size header. The US standard is transferred to the national standard, and the national standard is transferred to the US standard. This type of adapter is not applicable.

Product Applicable Product Model: Nokia E51 E66 E71 E90 3600S 5000 5610 5700 6110N 6120C 6122C 6210N 6500S 7210C

Please note:

The 2.5mm headphone wiring sequence is mostly national standard, and most 3.5mm mobile phones are American standard. So it may take two conversions to work together, (that is, you need a 3.5 US standard to national standard line) a conversion standard, a conversion interface size.

Every product we offer includes a 180-day purchase protection plan at no additional cost. This coverage extends beyond a standard warranty, reflecting our confidence in product quality and our ongoing commitment to your satisfaction.

The protection plan is designed to provide practical help in real-world situations. Whether you encounter a manufacturing issue, a performance problem, or an unexpected accident, our team is ready to assist with clear, fair solutions.

What Is Covered

Manufacturing Defects

We replace items with material or workmanship flaws at no charge.

Performance Failures

Free repair or replacement if the product fails under normal use.

Accidental Damage

One-time courtesy replacement at a reduced price.

Zero Hidden Fees

All shipping costs for replacements and returns are covered.

How to File a Claim

1
Contact Us
Reach out with your order number and a brief description of the issue.
2
Quick Review
Our team evaluates your claim fairly and efficiently.
3
Resolution
Most claims are resolved within 48 hours.
4
Replacement/Repair
We repair or replace your item free of charge.

How This Differs from the Warranty

The 180-day purchase protection includes accidental damage and performance failures that are typically not covered by a standard warranty. It provides an additional layer of support during the first six months after purchase, giving you greater confidence and peace of mind.

Please Note: During the 180-day protection period, we cover all shipping costs for replacements and returns. There are no hidden fees.

We want you to be completely satisfied with your purchase. If for any reason you are not fully happy, you may return your item within 30 days of delivery for a full refund. No lengthy forms, no unnecessary questions.

Our return policy is built on a simple principle: if the product is not right for you, we will make it right. We understand that online shopping involves trust, and we work hard to earn that trust with every order.

Return Eligibility

30-Day Window

Request a return within 30 days of delivery.

Original Condition

Unworn or unused, with tags and original packaging.

Proof of Purchase

A receipt or order number is required.

Fast Refund

Refund processed within 10 business days.

How to Start a Return

1
Contact Us
Email info@hekomart.com to request a return.
2
Receive a Prepaid Label
We send you a return shipping label at no cost.
3
Ship the Item
Send it to: 3401 Dale Rd, Modesto, CA 95356.
4
Receive Your Refund
Processed within 10 business days after approval.

Returns & Exchanges Overview

Countries ServedUnited States
Returns AcceptedDefective & non-defective
ExchangesAccepted
Product ConditionNew only
Return Window30 days
Return MethodIn store, by mail
Return LabelIncluded, free
Restocking FeesNone
Refund Processing Time10 business days

Damages & Exchanges

Please inspect your order as soon as it arrives. If the item is defective, damaged, or incorrect, contact us immediately so we can evaluate the issue and make it right. For exchanges, the fastest option is to return the original item and place a new order for the replacement.

Refund Reminder: Once approved, refunds are processed within 10 business days. The time it takes for the funds to appear in your account may vary by bank.

We believe in the quality of our products, and we want you to share that confidence. Every product is backed by a 24-month warranty covering all structural and functional components, including zippers, buckles, straps, and fabric integrity.

The warranty is designed to be simple and accessible. You only need your proof of purchase to begin a claim, and our team will assess the issue promptly. If a manufacturing issue arises, we will make it right.

What the Warranty Covers

Comprehensive Coverage

Every part warranted for two full years.

Free Repair or Replacement

Whichever is faster, at no cost to you.

Quick Turnaround

Claims assessed within 1 business day.

Transferable

Warranty follows the product, not the owner.

How to File a Warranty Claim

1
Contact Support
Send us a message with your proof of purchase.
2
Assessment
Claims typically assessed within 1 business day.
3
Repair or Replacement
We repair at no charge or ship a new one.
4
Enjoy
Your product is back in proper working order.
Good to Know: Our warranty process is simple and straightforward. You only need your proof of purchase to get started.

Every order ships free—no minimums, no hidden fees. We currently deliver across the United States and are actively working to expand to more countries. We partner with reliable U.S. courier services to ensure your order arrives safely and on time.

Our delivery process is designed for transparency. From the moment you place your order to the moment it reaches your door, you receive clear updates at every stage. We carefully inspect each product before dispatch, and we provide tracking information as soon as your order ships.

Our U.S. Shipping Partners

USPS

Official national carrier with nationwide coverage.

UPS

Fast and reliable ground and express shipping.

FedEx

Express delivery with real-time tracking.

DHL eCommerce

Efficient parcel delivery for e-commerce shipments.

Delivery Process

1
Order Placed
Your order is confirmed and entered into our system.
2
Processing & Quality Check
Handling time: 0–1 business days (Mon–Fri).
3
Shipping Transit
Transit time: 2–5 business days (Mon–Fri).
4
Delivered
Your package arrives with full tracking.

Delivery Time Summary

Handling Time0–1 business days
Transit Time2–5 business days
Order Cut-Off Time05:00 PM EST
Shipping CostFree on all orders

Cancellations & Taxes

You may cancel your order at any time before it ships. All product prices include applicable taxes, and there are no additional VAT or customs fees for orders delivered within the United States.

Please Note: All products go through a short handling process before shipping, which is why there is a brief processing time on orders. We appreciate your patience.

Whether you have a question, need help with an order, or just want some advice, our support team is available around the clock. We don't just respond to messages—we work with you to find real solutions that fit your needs.

Our support specialists are trained to handle a wide range of requests, from product recommendations to technical troubleshooting. No matter the question, you can expect a professional and friendly response.

How We Can Help

Product Guidance

Our experts help you choose the right product.

Order Assistance

Modify orders, track shipments, or speed up delivery.

Warranty & Returns

Start claims or returns quickly and easily.

Technical Troubleshooting

Step-by-step solutions for product issues.

Contact Information

24/7 Phone

+1 (209) 280-3200

Email

support@hekomart.com

Address

3401 Dale Rd, Modesto, CA 95356

Support Hours

Available 24 hours a day, 7 days a week

Response Time

Standard Business HoursUsually within 30 minutes
Outside Business HoursWithin 2 hours

Send Us a Message

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