Motorola
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Motorola HKLN4604 HKLN4604A HKLN4604B Original Swivel Earpiece with Microphone and PTT - Replaces RLN6423
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Motorola HKLN4604 HKLN4604A HKLN4604B Original Swivel Earpiece with Microphone and PTT - Replaces RLN6423
Comfortable for extended wear, this compact and durable accessory allows users to receive communication discreetly.
Motorola HKLN4604 HKLN4604A HKLN4604B Original Swivel Earpiece with Microphone and PTT - Replaces RLN6423
Item #: 42849315

Motorola HKLN4604 HKLN4604A HKLN4604B Original Swivel Earpiece with Microphone and PTT - Replaces RLN6423

Item #: 42849315

SBD 313

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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us Imported from USA store

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Order now and get it around Tuesday, July 21
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Comfortable for extended wear, this compact and durable accessory allows users to receive communication discreetly.
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What Stands Out

Comfortable Design
The Motorola Swivel Earpiece ensures a snug and comfortable fit for extended use, making it ideal for professionals who require reliable communication throughout the day without discomfort.
High-Quality Audio
With an integrated microphone and PTT button, this earpiece delivers clear audio and seamless push-to-talk functionality, ensuring that users can communicate effectively in noisy environments.
Compatible Replacement
The HKLN4604 serves as a direct replacement for RLN6423, providing users with a reliable option that maintains the same level of performance and quality expected from Motorola products.

Product Details

Shop the best deals for Motorola 53863 Earpiece with Microphone at Ubuy Solomon Islands. Get the perfect earpiece with microphone for clear communication.
Item Weight0.4 lbs (180 grams)

Who Should Buy?

Suitable For
  • Public Safety Workers

    Ideal for police, firefighters, and EMTs needing reliable communication in high-pressure environments with hands-free capability.

  • Event Staff

    Perfect for concert or event staff requiring discreet communication while managing crowd control and logistics efficiently.

  • Retail Employees

    Useful for retail workers who need to stay connected with team members while assisting customers and restocking shelves.

Not Suitable For
  • Casual Users

    Not suitable for casual users looking for a simple headset for personal phone calls or listening to music.

  • Outdoor Enthusiasts

    May not perform well in extreme weather conditions or rugged outdoor environments, limiting its effectiveness during adventures.

  • Long-Distance Communication

    Not ideal for users needing to communicate over long distances, as this earpiece may have limited range capabilities.

Product Description

Motorola HKLN4604 HKLN4604A HKLN4604B Original Swivel Earpiece with Microphone and PTT - Replaces RLN6423

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What devices is the HKLN4599 earpiece compatible with?

    Answer: The HKLN4599 earpiece is primarily designed for use with Motorola two-way radios, including models that support the D-style connector. This compatibility makes it ideal for users in various settings, from police and security services to construction and event management. Ensuring your earpiece matches the radio model is crucial for optimal performance during communication in noisy environments.
  • Question: Does the HKLN4599 earpiece come with a warranty?

    Answer: Yes, the HKLN4599 earpiece typically comes with a manufacturer's warranty, which covers defects in materials and workmanship. This warranty is a great assurance, especially for users who rely on their earpiece for daily communication in demanding situations. Before purchasing, check the specific warranty details provided by the retailer to confirm coverage periods and conditions.
  • Question: What features does the inline microphone provide?

    Answer: The inline microphone of the HKLN4599 earpiece enables hands-free communication, allowing users to transmit and receive messages effortlessly. This feature is especially beneficial for professionals needing to multitask, as it allows for clear audio transmission while performing other duties. The push-to-talk (PTT) functionality further enhances this, enabling quick communication without the hassle of fumbling with the radio.
  • Question: Is the HKLN4599 earpiece suitable for outdoor use?

    Answer: Absolutely! The HKLN4599 earpiece is built with durable materials designed to withstand various outdoor conditions. Whether you're in a construction site or working in security, its robust design ensures longevity. However, while it can handle some exposure to moisture, it’s advisable to avoid heavy rainfall or water immersion to maintain its longevity and functionality.
  • Question: Can the HKLN4599 earpiece be used for personal purposes?

    Answer: Certainly! Beyond professional use, the HKLN4599 earpiece is perfectly suitable for personal activities such as outdoor adventures or concerts where two-way communication is essential. Its clarity and ease of use make it a great accessory for any situation requiring discreet and reliable communication over long distances.
  • Question: How do I clean and maintain the HKLN4599 earpiece?

    Answer: To clean and maintain your HKLN4599 earpiece, regularly wipe it with a soft, damp cloth to remove dirt and debris. Avoid using harsh chemicals as they can degrade the materials. Proper maintenance helps extend its lifespan and ensures optimal audio quality, especially important for users in high-service environments like security or hospitality.
  • Question: What is the range of the HKLN4599 earpiece in terms of communication?

    Answer: The communication range of the HKLN4599 earpiece largely depends on the two-way radio it’s paired with. Typically, when used with compatible radios, you can expect effective communication within several miles, depending on the terrain and obstacles present. This feature is particularly advantageous in outdoor settings or large venues.
  • Question: How does the Push-To-Talk (PTT) feature work?

    Answer: The Push-To-Talk (PTT) feature on the HKLN4599 allows users to instantly communicate by pressing a button located on the earpiece. This functionality makes communication seamless and efficient, as it circumvents the need to unclip or adjust a radio. It's especially useful for security personnel or event staff who need to relay information quickly without disruption.
  • Question: Is the HKLN4599 earpiece comfortable to wear for extended periods?

    Answer: Yes, the HKLN4599 earpiece is designed for comfort, featuring an ergonomic design and lightweight construction. Users often report comfort during long shifts, making it ideal for professions requiring prolonged use. This focus on comfort allows for effective communication without distraction, a critical aspect in industries like security or hospitality.
  • Question: Where can I buy the HKLN4599 earpiece?

    Answer: You can purchase the HKLN4599 HKLN4599B Original Motorola D-Style Earpiece with In-Line Microphone and PTT on Ubuy in Solomon Islands. Ubuy offers a reliable platform with a diverse range of electronic products, ensuring that you get the original earpiece quickly and conveniently, backed by excellent service.

Motorola Headsets & Microphones Editorial Review

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“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
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“Accurate delivery timing given”

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“Not madly expensive like I thought, and much quicker than promised.”

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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”

6/7/2026 · via Trustpilot
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

SBD 313

Order now and get it around Tuesday, July 21

QTY:

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Features & Benefits

  • Designed for extended comfort during wear.
  • Compact and durable design for portability.
  • Discreet communication solution for users.
  • Features an easy-to-access inline push-to-talk.
  • Made with PVC-free materials for safety.
  • Single pin configuration for straightforward use.

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