---
product_id: 149673855
title: "RJ9 to Single 3.5mm Smartphone Headset Adapter Cable for Yealink phone"
brand: "uni4"
price: "€ 5.53"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/149673855-rj9-to-single-3-5mm-smartphone-headset-adapter-cable-yealink
store_origin: PT
region: Portugal
---

# Ultra-lightweight 10g design Universal headset compatibility RJ9 to 3.5mm seamless connection RJ9 to Single 3.5mm Smartphone Headset Adapter Cable for Yealink phone

**Brand:** uni4
**Price:** € 5.53
**Availability:** ✅ In Stock

## Summary

> 🎧 Stay connected, sound professional.

## Quick Answers

- **What is this?** RJ9 to Single 3.5mm Smartphone Headset Adapter Cable for Yealink phone by uni4
- **How much does it cost?** € 5.53 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/149673855-rj9-to-single-3-5mm-smartphone-headset-adapter-cable-yealink)

## Best For

- uni4 enthusiasts

## Why This Product

- Trusted uni4 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Crystal-Clear Audio:** Optimized AUX cable ensures pristine sound quality for professional calls.
- • **Sleek & Lightweight:** At just 10 grams, it’s barely there—comfort meets convenience.
- • **Plug & Play Simplicity:** No drivers or software needed; just connect and communicate.
- • **Effortless Compatibility:** Connect your favorite headsets to Yealink IP phones without a hitch.
- • **Built for the Modern Desk:** Designed specifically for Yealink RM series, blending perfectly with your setup.

## Overview

The Uni4 RJ9 to Single 3.5mm Smartphone Headset Adapter Cable is a lightweight, male-to-male auxiliary cable designed to connect standard headsets or earphones to Yealink IP phones (RJ9, RJ10, RJ22 compatible). Weighing only 10 grams and crafted for indoor use, it ensures seamless audio integration for professional environments.

## Description

RJ9 to Single 3.5mm Smartphone Headset Adapter Cable for Yealink phone

## Features

- Please select correct Phone
- Its used connect earphone or headset to IP phones

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Uni4 |
| Connector Type | Auxiliary |
| Cable Type | AUX |
| Compatible Devices | IP Phone (RJ9, RJ10, RJ22) |
| Compatible Phone Models | Yealink RM |
| Colour | Yealink |
| Connector Gender | Male-to-Male |
| Shape | Round |
| Number of Pins | 9 |
| Item Weight | 10 Grams |
| Indoor/Outdoor Usage | Indoor |
| Manufacturer | Uni4 |
| Item Weight | 10 g |
| Item part number | RJ9_3.5MM |
| Number of Ports | 1 |
| Connector Type | wired |
| Country of Origin | India |
| Item Weight | 10 g |

## Product Details

- **Brand:** Uni4
- **Connector Type:** Auxiliary
- **Cable Type:** AUX
- **Compatible Devices:** IP Phone (RJ9, RJ10, RJ22)
- **Compatible Phone Models:** Yealink RM

## Images

![RJ9 to Single 3.5mm Smartphone Headset Adapter Cable for Yealink phone - Image 1](https://m.media-amazon.com/images/I/31jdNtO13VL.jpg)
![RJ9 to Single 3.5mm Smartphone Headset Adapter Cable for Yealink phone - Image 2](https://m.media-amazon.com/images/I/31v-pOs3wHL.jpg)
![RJ9 to Single 3.5mm Smartphone Headset Adapter Cable for Yealink phone - Image 3](https://m.media-amazon.com/images/I/61q+AqbguuL.jpg)
![RJ9 to Single 3.5mm Smartphone Headset Adapter Cable for Yealink phone - Image 4](https://m.media-amazon.com/images/I/41oiZFZZZ4L.jpg)

## Available Options

This product comes in different **Colour** options.

## Questions & Answers

**Q: Will it be compatible with Yealink T41 model?**
A: Yes.

**Q: I want 3.5  earphone coveryrr for normal landline Phone (binatone)...i dont want earphone attached with ...want only converter**
A: 3.5mm adapter dont work for landline phones, we have mobile like earlphone with RJ9 connector for landline phones.

**Q: Does it support Shoretell 230 model**
A: Please select Polycom color  for Shoretel 230.

**Q: Is it compatible for policom ip phones?**
A: some polycom phone have issues.

## Frequently Bought Together

- Uni4 - Rj9 To Single 3.5Mm Smartphone Headset Adapter Cable For Yealink Phone, Auxiliary
- JBL C100SI Wired In aEar Headphones with Mic, JBL Pure Bass Sound, One Button Multi-function Remote, Premium Metallic Finish, Angled Buds for Comfort fit (Black)
- Portronics iKonnect C Pro Type C to 3.5 mm Audio Jack Connector with DAC Headphone Converter Adapter Compatible with iPhone 15 Pro Max/15 Pro/15 Plus, Galaxy S23/S22/S21/S208 & Other Type C Phones

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.pt/products/149673855-rj9-to-single-3-5mm-smartphone-headset-adapter-cable-yealink](https://www.desertcart.pt/products/149673855-rj9-to-single-3-5mm-smartphone-headset-adapter-cable-yealink)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-03-14*