Phone Accessories>>
HKM-669203 2.5mm Male to 3.5mm Female Headset Adapter for Mobile Phones
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
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.
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
Returns & Exchanges Overview
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.
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
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
Delivery Time Summary
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.
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
support@hekomart.com
Address
3401 Dale Rd, Modesto, CA 95356
Support Hours
Available 24 hours a day, 7 days a week