--- product_id: 54924633 title: "VoiceJoy 3.5mm Smartphone Headset to RJ9 Adapter Compatible with Yealink T20 T21 T41G etc Phones and Grandstream GXP14XX,GXP2124, GXP2120, GXP2140 GXP2140 GXP2160 GXP2110" brand: "voicejoy" price: "10468₫" currency: VND in_stock: false reviews_count: 8 url: https://www.desertcart.vn/products/54924633-voicejoy-3-5mm-smartphone-headset-to-rj9-adapter-compatible-yealink store_origin: VN region: Vietnam --- # Plug and Play setup 3.5mm to RJ9 conversion Lightweight design VoiceJoy 3.5mm Smartphone Headset to RJ9 Adapter Compatible with Yealink T20 T21 T41G etc Phones and Grandstream GXP14XX,GXP2124, GXP2120, GXP2140 GXP2140 GXP2160 GXP2110 **Brand:** voicejoy **Price:** 10468₫ **Availability:** ❌ Out of Stock ## Summary > 🎧 Transform Your Headset Experience! ## Quick Answers - **What is this?** VoiceJoy 3.5mm Smartphone Headset to RJ9 Adapter Compatible with Yealink T20 T21 T41G etc Phones and Grandstream GXP14XX,GXP2124, GXP2120, GXP2140 GXP2140 GXP2160 GXP2110 by voicejoy - **How much does it cost?** 10468₫ with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/54924633-voicejoy-3-5mm-smartphone-headset-to-rj9-adapter-compatible-yealink) ## Best For - voicejoy enthusiasts ## Why This Product - Trusted voicejoy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable Build:** Crafted from high-quality ABS material for long-lasting performance. - • **Versatile Usage:** Perfect for both indoor and outdoor use, adapting to your lifestyle. - • **User-Friendly Design:** Enjoy a hassle-free setup with plug-and-play functionality. - • **Seamless Compatibility:** Effortlessly connects your smartphone headset to compatible phones. - • **Cost-Effective Solution:** Save money by utilizing your existing headset instead of buying new equipment. ## Overview The VoiceJoy 3.5mm Smartphone Headset to RJ9 Adapter allows you to connect your smartphone headset to various compatible phones, including Yealink and Grandstream models. With a lightweight design and easy plug-and-play setup, this adapter is a cost-effective solution for maximizing your existing audio equipment. ## Description This amazing adaptor converts the standard 3.5mm smartphone plug to an RJ9, RJ10, or RJ22 handset plug, Allowing you to use your favorite smartphone headset with your office phone. Works for Phones: AltiGen IP805 Cisco 7902, 7905, 7905G, 7906G, 7910, 7910+SW 7911, 7912 IP Phones Cortelco Fanvil C58, C58P C62, C66 Grandstream GXP14XX, GXP1400 GXP1405 GXP1450 GXP2124, GXP2120, GXP2140 GXP2140 GXP2160 GXP2110, GXP2100, GXP2020, GXP2010, GXP1200, GXP280, GXP285, GXV3005, GXV3006, GXV3240 GXV3275 IP Phones HuaweiET325,ET525 KX-T Series phones such as: KX-T2260, KX-T2310, KX-T2315, KX-T2365, KX-T2368, KX-T7220, KX-T7230, KX-T7330, KX-T7433, KX-T7625, KX-T7630, KX-T7633, KX-T7636, KX-T7665, KX-T7720, KX-T7730, KX-T7740 and KX-T7750 Snom 300, 320,360,370,710, 720,760, 820, 821, 870 Compatible with Yealink SIP-T19P T20P, T21P, T22P, T26P, T28P, T32G, T41P, T38G, T42G, T46G, T48G ## Features - Convert 3.5mm Smartphone plug to single 4P4C RJ9/RJ10 handset plug. - Save money by buying a smartphone headset, or using your existing one with your phone's handset jack. - All functions on headset and phone would function same. Easy Setup, Plug and Play - Only works for some specific phones. Please see compatible phone models list in description below ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | VoiceJoy | | Connector Type | Auxiliary | | Compatible Devices | Smartphone | | Special Feature | Lightweight | | Color | black | | Connector Gender | Male-to-Female | | Shape | Round | | Unit Count | 1.0 Count | | Indoor/Outdoor Usage | Outdoor, Indoor | | Manufacturer | VoiceJoy | | Item Weight | 1.58 ounces | | Package Dimensions | 6 x 3.1 x 0.09 inches | | Item model number | VoiceJoy-11 | | Is Discontinued By Manufacturer | No | | Material Type | 丙烯腈丁二烯苯乙烯 (ABS) | | Manufacturer Part Number | VoiceJoy-11 | ## Product Details - **Brand:** VoiceJoy - **Connector Type:** Auxiliary - **Compatible Devices:** Smartphone - **Special Feature:** Lightweight - **Color:** black ## Images ![VoiceJoy 3.5mm Smartphone Headset to RJ9 Adapter Compatible with Yealink T20 T21 T41G etc Phones and Grandstream GXP14XX,GXP2124, GXP2120, GXP2140 GXP2140 GXP2160 GXP2110 - Image 1](https://m.media-amazon.com/images/I/51-l79owuYL.jpg) ![VoiceJoy 3.5mm Smartphone Headset to RJ9 Adapter Compatible with Yealink T20 T21 T41G etc Phones and Grandstream GXP14XX,GXP2124, GXP2120, GXP2140 GXP2140 GXP2160 GXP2110 - Image 2](https://m.media-amazon.com/images/I/51JONaMp62L.jpg) ![VoiceJoy 3.5mm Smartphone Headset to RJ9 Adapter Compatible with Yealink T20 T21 T41G etc Phones and Grandstream GXP14XX,GXP2124, GXP2120, GXP2140 GXP2140 GXP2160 GXP2110 - Image 3](https://m.media-amazon.com/images/I/51XEVEU28bL.jpg) ![VoiceJoy 3.5mm Smartphone Headset to RJ9 Adapter Compatible with Yealink T20 T21 T41G etc Phones and Grandstream GXP14XX,GXP2124, GXP2120, GXP2140 GXP2140 GXP2160 GXP2110 - Image 4](https://m.media-amazon.com/images/I/7178DzWyjEL.jpg) ![VoiceJoy 3.5mm Smartphone Headset to RJ9 Adapter Compatible with Yealink T20 T21 T41G etc Phones and Grandstream GXP14XX,GXP2124, GXP2120, GXP2140 GXP2140 GXP2160 GXP2110 - Image 5](https://m.media-amazon.com/images/I/71WVAwCXeCL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars Good audio (with adjustment) *by D***U on Reviewed in the United States on August 4, 2020* The RJ9 adapter fit the side of my desk phone perfectly, and the 3.5 mm jack took the adapter from my headset well. As I received the item, both headphones worked, but the mic did not. I expected this to possibly be the case since headphones are wired differently. I cut the wires and swapped two of them and soldered them, and now everything works great. It is great to have the dual ear and boom mic headset with my desk phone. ### ⭐ 1.0 out of 5 stars Audio distortion *by M***E on Reviewed in the United States on August 19, 2023* The cable has serious issues with “audio interference” or “audio distortion.” I used a brand new audio technical earbuds, tried also bigger headphones, and I was able to hear noises such as little explosions or faraway sounds.I will try a different brand… not recommended ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars good idea *by E***B on Reviewed in the United States on March 4, 2021* as working from home I use a soft phone on my laptop I connected this cable to phone handset I have at home and use it to make a call 👍 --- ## 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.vn/products/54924633-voicejoy-3-5mm-smartphone-headset-to-rj9-adapter-compatible-yealink](https://www.desertcart.vn/products/54924633-voicejoy-3-5mm-smartphone-headset-to-rj9-adapter-compatible-yealink) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-24*