---
product_id: 630372554
title: "- KZ ZST Bluetooth IEM 5.4 Module IEM Bluetooth Adaper Wireless 2pin 0.78MM for ​KZ ZSTX/AS10,Moondrop CHU II/Aria/Blessing"
brand: "ez ear"
price: "$97.37"
currency: USD
in_stock: true
category: "Ez Ear"
url: https://www.desertcart.ec/products/630372554-kz-zst-bluetooth-iem-5-4-module-iem-bluetooth-adaper
store_origin: EC
region: Ecuador
---

# 0.78mm 2-pin universal fit Bluetooth 5.4 tech 42h total playtime - KZ ZST Bluetooth IEM 5.4 Module IEM Bluetooth Adaper Wireless 2pin 0.78MM for ​KZ ZSTX/AS10,Moondrop CHU II/Aria/Blessing

**Brand:** ez ear
**Price:** $97.37
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your sound game—wireless freedom meets pro-grade precision!

## Quick Answers

- **What is this?** - KZ ZST Bluetooth IEM 5.4 Module IEM Bluetooth Adaper Wireless 2pin 0.78MM for ​KZ ZSTX/AS10,Moondrop CHU II/Aria/Blessing by ez ear
- **How much does it cost?** $97.37 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/630372554-kz-zst-bluetooth-iem-5-4-module-iem-bluetooth-adaper)

## Best For

- ez ear enthusiasts

## Why This Product

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

## Key Features

- • **All-Day Power Freedom:** 6 hours per charge plus 7 full recharges from the compact 800mAh case—music marathon ready.
- • **Next-Gen Bluetooth 5.4:** Experience ultra-low latency and crystal-clear AAC audio for immersive, lag-free sound.
- • **Seamless Universal Compatibility:** Fits KZ ZSTX, AS10, Moondrop & more with dual 0.78/0.75mm pin options for ultimate flexibility.
- • **Featherlight & Intuitive Controls:** At just 4.5g per earhook, enjoy zero ear fatigue and effortless media/call control with a single multifunction button.
- • **Dual-Host Mode for Gamers & Multitaskers:** Use earhooks independently with lightning-fast transmission for gaming or calls without missing a beat.

## Overview

The KZ ZST Bluetooth IEM 5.4 Module is a cutting-edge wireless adapter designed for 0.78mm 2-pin IEMs like KZ ZSTX and Moondrop models. Featuring Bluetooth 5.4 with AAC support, it delivers high-fidelity audio with ultra-low latency. Its lightweight design (4.5g per earhook) ensures all-day comfort, while the 800mAh charging case provides up to 42 hours of continuous playback. Dual-host mode allows independent earhook use, perfect for gaming and multitasking professionals seeking premium wireless audio flexibility.

## Description

desertcart.com: KZ ZST Bluetooth IEM 5.4 Module IEM Bluetooth Adaper Wireless 2pin 0.78MM for ​KZ ZSTX/AS10,Moondrop CHU II/Aria/Blessing : Electronics

## Features

- 𝐁𝐫𝐨𝐚𝐝 𝐂𝐨𝐦𝐩𝐚𝐭𝐢𝐛𝐢𝐥𝐢𝐭𝐲- KZ Bluetooth iem adapter provides B-pin 0.78MM/C-pin 0.75MM choices. B-pin 0.78 MM suitable for KZ ZST/ZST-X/EDX/ZSR/ES4/AS10,CCA C10; C-pin 075MM for ZSN PRO/ZSN PRO-X/ZS10 PRO/ZS10 PRO X/ZS12 PRO X/ZS10 PRO 2/EDX PRO/CASTOR/ZAR/PR2/ZAX/AS24/AS24 PRO/ZAS/ZS-X,CCA CRA/C12
- 𝟓.𝟐 𝐁𝐥𝐮𝐞𝐭𝐨𝐨𝐭𝐡 𝐌𝐨𝐝𝐮𝐥𝐞-The iem wireless adapter adopts 5.4 technology which offers you an unparalleled audio experience with faster transmission speed, stronger connection stability. TWS high-definition bluetooth upgrade earhooks, support AAC audio encoding transmission. Hifi sound comes from double protection of chip guard and AAC advanced encoding capabilities.
- 𝐋𝐨𝐧𝐠 𝐁𝐚𝐭𝐭𝐞𝐫𝐲 𝐋𝐢𝐟𝐞-You can get 6 hours usage period per each charge. 800mAh charging case supports 7 times of recharging for both earbuds, gives up to 42 hours continuous music time. Keep you free from mobile charger with music all day!
- 𝐃𝐨𝐮𝐛𝐥𝐞 𝐇𝐨𝐬𝐭- Dual-channel transmission, lower delay. Earhooks can be used individually. The earhook features a high performance mode that gives you faster audio transmission speeds when you play games.
- 𝐋𝐢𝐠𝐡𝐭 𝐖𝐞𝐢𝐠𝐡𝐭 & 𝐏𝐨𝐫𝐭𝐚𝐛𝐥𝐞-Only 4.5g of each earhook, take in ear with 0 pressure. One multi-functional press button for calls, playing, pause and switch music.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D2GYJ7K8 |
| Additional Features | Lightweight |
| Age Range Description | Adult |
| Antenna Location | Entertainment, Calling |
| Audio Driver Type | Dynamic Driver |
| Battery Average Life | 6 hours |
| Battery Charge Time | 1 hours |
| Best Sellers Rank | #30,807 in Electronics ( See Top 100 in Electronics ) #253 in Wireless Audio Receivers & Adapters |
| Bluetooth Version | 5.2 |
| Brand Name | EZ EAR |
| Built-In Media | Wireless Charging Case |
| Cable Features | Without Cable |
| Carrying Case Material | plastic_or_metal |
| Color | AZ09 |
| Compatible Devices | Cellphones |
| Connectivity Technology | Wireless |
| Control Method | Remote |
| Control Type | Media Control or Call Control or Volume Control |
| Controller Type | Remote Control |
| Customer Package Type | FFP |
| Customer Reviews | 4.0 4.0 out of 5 stars (166) |
| Earpiece Shape | Rounded tips |
| Enclosure Material | Plastic, Silicone |
| Frequency Range | 20 Hz - 20,000 Hz |
| Headphone Folding Features | In Ear |
| Headphone Jack | No Jack |
| Headphones Ear Placement | In Ear |
| Item Weight | 27.22 g |
| Manufacturer | EZ EAR |
| Model Name | KZ AZ09 B PIN |
| Model Number | KZ AZ09 |
| Noise Control | Sound Isolation |
| Specific Uses For Product | Calling, Entertainment |
| Style Name | Modern |
| Unit Count | 1 Count |
| Warranty Description | 1 year |
| Water Resistance Level | Waterproof |
| Wireless Technology | Bluetooth |

## Product Details

- **Brand:** EZ EAR
- **Color:** AZ09
- **Ear Placement:** In Ear
- **Form Factor:** In Ear
- **Noise Control:** Sound Isolation

## Images

![- KZ ZST Bluetooth IEM 5.4 Module IEM Bluetooth Adaper Wireless 2pin 0.78MM for ​KZ ZSTX/AS10,Moondrop CHU II/Aria/Blessing - Image 1](https://m.media-amazon.com/images/I/61XEcAvICCL.jpg)

## Available Options

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

## Frequently Bought Together

- KZ AZ09 Bluetooth IEM 5.4 Module IEM Bluetooth Adaper Wireless B-pin 0.78MM for ​KZ ZST/ZSTX/ZS10/AS06/AS10/BA10/ZSR/ES4
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- InEar Monitor Case for IEM, in Ear Monitors, in Ears, Headphones, Earphones, Earbuds. Suitable for KZ ZS10/ZS10 Pro/ZSN/ZST/ZEX/AS10/AS16,YINYOO CCZ Melody - GIGCASE®

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**Shop now:** [https://www.desertcart.ec/products/630372554-kz-zst-bluetooth-iem-5-4-module-iem-bluetooth-adaper](https://www.desertcart.ec/products/630372554-kz-zst-bluetooth-iem-5-4-module-iem-bluetooth-adaper)

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-09-15*