---
product_id: 372398272
title: "KZ AZ09 Bluetooth 5.4 Module Wireless Waterproof Ear Hook Extra Long Battery Life Bluetooth Cable for ​KZ ZST/ZSTX/ZS10/AS06/AS10/BA10/ZSR/ES4 (B pin)"
brand: "cca"
price: "1779118₫"
currency: VND
in_stock: true
reviews_count: 7
category: "Cca"
url: https://www.desertcart.vn/products/372398272-kz-az09-bluetooth-5-4-module-wireless-waterproof-ear-hook
store_origin: VN
region: Vietnam
---

# Bluetooth 5.4 for crystal-clear sound Waterproof for active lifestyles 30h total playback power KZ AZ09 Bluetooth 5.4 Module Wireless Waterproof Ear Hook Extra Long Battery Life Bluetooth Cable for ​KZ ZST/ZSTX/ZS10/AS06/AS10/BA10/ZSR/ES4 (B pin)

**Brand:** cca
**Price:** 1779118₫
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your wired IEMs to wireless royalty—never miss a beat or a moment!

## Quick Answers

- **What is this?** KZ AZ09 Bluetooth 5.4 Module Wireless Waterproof Ear Hook Extra Long Battery Life Bluetooth Cable for ​KZ ZST/ZSTX/ZS10/AS06/AS10/BA10/ZSR/ES4 (B pin) by cca
- **How much does it cost?** 1779118₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/372398272-kz-az09-bluetooth-5-4-module-wireless-waterproof-ear-hook)

## Best For

- cca enthusiasts

## Why This Product

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

## Key Features

- • **Epic 30-Hour Battery Life:** Keep your soundtrack alive all day and beyond with 6 hours per charge plus 4 full recharges from the compact case.
- • **Game Mode & Dual Host Magic:** Say goodbye to lag with dual-channel transmission and a high-performance mode that keeps your audio perfectly synced during gaming.
- • **Next-Level Bluetooth 5.4 Tech:** Experience ultra-stable connections and lightning-fast transmission with AAC codec for pristine, natural audio clarity.
- • **Seamless Wired-to-Wireless Freedom:** Transform your favorite wired IEMs into wireless powerhouses in seconds—ditch the cables without sacrificing sound quality.
- • **Featherlight Comfort & Intuitive Controls:** At just 4.5g per earhook, enjoy all-day wearability plus one-button control for calls, music, and more—effortless and secure.

## Overview

The KZ AZ09 Bluetooth 5.4 Module is a waterproof, ultra-light ear hook adapter that converts compatible wired KZ and CCA earphones into wireless Bluetooth devices. Featuring advanced Bluetooth 5.4 with AAC codec, dual host transmission for low latency, and a robust 30-hour battery life, it delivers premium sound quality and all-day comfort. Perfect for professionals and audiophiles seeking wireless freedom without compromising audio fidelity.

## Description

Buy KZ AZ09 Bluetooth 5.4 Module Wireless Waterproof Ear Hook Extra Long Battery Life Bluetooth Cable for ​KZ ZST/ZSTX/ZS10/AS06/AS10/BA10/ZSR/ES4 (B pin): Earbud Headphones - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: ⭐️⭐️⭐️⭐️⭐️ | Built Like a Tank, Sounds Like a Dream – Worth Every Penny - I’ve been using the KZ AZ09 adapters with my Melody IEMs for about five months now, and they’ve quickly become my go-to setup for work and daily use. The bass hits hard, the clarity is excellent, and they get plenty loud without distortion. No compromises in sound quality compared to wired use—they drive my IEMs effortlessly. Pairing is instant, and I’ve had zero connection drops. I’ll leave my phone in my truck and walk around a job site or warehouse, still connected clearly over 100 yards away. Battery life is phenomenal—I get multiple full workdays without needing a recharge. The charging case is simple and solid. It announces when you’re connected, and it’s never let me down. The touch controls are responsive and cover all the basics: play, pause, skip, volume. I’ve made calls with them too, and the mic quality is surprisingly crisp—no one’s ever complained. They’re also ridiculously comfortable and secure. I forget I’m wearing them most days, even after hours of moving around. The build quality is legit—they’re sturdy, not flimsy, and they’ve survived multiple drops without a hiccup. At this price, the AZ09s are a no-brainer. If you’ve got a favorite pair of IEMs and want to go wireless without losing sound quality or reliability, these are absolutely worth their weight in gold. ⸻ ✅ Pros: • Fantastic bass and clarity • Incredible Bluetooth range (100+ yards) • Long battery life (multi-day use) • Reliable, quick pairing • Comfortable and secure all-day wear • Durable build—survives drops ❌ Cons: • None that I’ve encountered
Review: Great product, great price, stays put in your ear and has great sound! - Another great purchase to write about! I work around our property every weekend and being a music lover I always have ear buds in so I can listen to tunes while I work. The problem is apparently my ears are misshapen in some way that makes every ear bud I've tried not seat correctly so the buds fall out of my ear. Anyone who constantly has to readjust or push their earbuds in can feel me on that point. I wanted a quality ear bud that fit securely and wouldn't come loose as I worked - and this product didn't disappoint. I will say that being Chinese made, it has some funny quirks - it sounds like the lady announcing that the device has connected says "Connectate" instead of "Connected". I don't really care about that though - all I care is that the sound is good quality and the buds stay firmly in my ear. This product did both very well and I'm loving not having to take my buds out and reseat them every 5 mins. I'm using a after product foam type ear piece - you can squish it down tight, put it in your ear, and it will expand to fit perfectly. Battery life has been great for the time I've had these (about 6 months). I'll work around our 7 acre property for 6-7 hours without having to charge and it still has juice left if I forget to charge them. This also has an option to be used as a corded ear bud as well, which I did find useful since I travel a lot and use headphones with a plug while flying to watch movies or listen to music. Now I have the best of both worlds. From a cost/value perspective you can't beat the price and they do seem to be of good quality. I would recommend this to anyone looking for a versatile set of music buds, that stay put in your ear and block out unwanted noise, keep their charge for 7+ hours, and are easy to pair to your phone/tablet or computer. I'd definitely buy them again.

## Features

- [Free Switch Between Wired and Wireless] - KZ Bluetooth module is specially designed for Earphones with 0.75mm /0.78mm pins, making the wired headphones become wireless headphones in seconds, and getting rid of the bondage of wire harness. It allows you to switch between wired and wireless according to the needs of different scenarios. It also ensures the sound quality of the original headphones. ( *This product is only for bluetooth upgrade earhook, without earphones.)
- [High-Fidelity Sound] - Adopting bluetooth 5.4 technology, Bluetooth Module offers you an unparalleled audio experience with faster transmission speed, stronger connection stability. At the same time, AAC advanced audio coding transmission technology to greatly improve the quality of hearing and bring natural and clear sound.
- [Long Battery Life] - Each earbud can get 6 hours playback from a single charge. 400mAh charging case supports 4 times of recharging for both earbuds, gives up to 30 hours continuous music time. Keep your music going all day even when you go out.
- [Double Host & High-Performance Game Mode] - Eliminate the conventional single 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.
- [Lightness & One Key Operation] - the bluetooth hook weighs only 4.5g, which is light and has no pressure. Give you a small and light comfortable wearing experience. Each bluetooth earhook has one multi-functional press button which can receive calls,play or pause and switch music. Easy and simple operation.
- The KZ AZ09-B pin is compatible with KZ ZST, ZST X, ZS10, AS06, AS10, BA10, ZSR, ES4 models, and the CCA C10 model. Apart from these models, for other KZ or CCA headphones, please choose KZ AZ09 C-Pin instead.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B099K7811D |
| Age Range (Description) | Adult |
| Audio Driver Type | Balanced Armature Driver |
| Batteries | 1 AA batteries required. (included) |
| Battery Life | 6 Hours |
| Best Sellers Rank | #6,424 in Electronics ( See Top 100 in Electronics ) #529 in Earbud & In-Ear Headphones |
| Bluetooth Range | 15 Meters |
| Bluetooth Version | 5.2 |
| Cable Feature | Without Cable |
| Carrying Case Weight | 85 Grams |
| Charging Time | 2 Hours |
| Compatible Devices | Bluetooth audio devices from various brands |
| Connectivity Technology | Wireless |
| Control Method | Touch |
| Control Type | Media Control |
| Customer Package Type | FFP |
| Customer Reviews | 4.1 4.1 out of 5 stars (999) |
| Date First Available | July 15, 2021 |
| Earpiece Shape | Hook |
| Generation | 2 |
| Hardware Interface | Bluetooth |
| Headphones Jack | 2.5 mm Jack |
| Included Components | Charging Case |
| Input Device Interface | Bluetooth |
| Item Weight | 0.159 ounces |
| Item model number | AZ09 |
| Manufacturer | KZ |
| Material | Plastic |
| Model Name | KZ AZ09 |
| Number of Items | 1 |
| Package Dimensions | 3.46 x 3.11 x 1.57 inches |
| Recommended Uses For Product | Music |
| Special Feature | Microphone Included, water-resistant, wireless |
| Specific Uses For Product | Listen to music |
| Supports Bluetooth Technology | Yes |
| Units | 1 Count |
| Water Resistance Level | Waterproof |
| Wireless Communication Technology | Bluetooth |

## Product Details

- **Brand:** CCA
- **Color:** Black
- **Ear Placement:** In Ear
- **Form Factor:** On Ear
- **Noise Control:** None

## Images

![KZ AZ09 Bluetooth 5.4 Module Wireless Waterproof Ear Hook Extra Long Battery Life Bluetooth Cable for ​KZ ZST/ZSTX/ZS10/AS06/AS10/BA10/ZSR/ES4 (B pin) - Image 1](https://m.media-amazon.com/images/I/51--BL3j6oL.jpg)

## Available Options

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

## Questions & Answers

**Q: Does the case charger via usb-c or micro-usb?**
A: It charges with USB-C.

**Q: Would it be c pin or b pin for the zax-blackmic?**
A: The ZAX has a C connector (B would also work, but not fit as flush).

**Q: do I need c-pin or b-pin for moondrop ssr?**
A: I would say b-pin. In my experience b-pin will work on both b and c pin iem's

**Q: What codecs do these support?  do they support aptx ll?**
A: I don’t believe they support APTX or APTX-LL. The only codec options I see on my phone are SBC and AAC.

## Customer Reviews

### ⭐⭐⭐⭐⭐ ⭐️⭐️⭐️⭐️⭐️ | Built Like a Tank, Sounds Like a Dream – Worth Every Penny
*by E***E on July 31, 2025*

I’ve been using the KZ AZ09 adapters with my Melody IEMs for about five months now, and they’ve quickly become my go-to setup for work and daily use. The bass hits hard, the clarity is excellent, and they get plenty loud without distortion. No compromises in sound quality compared to wired use—they drive my IEMs effortlessly. Pairing is instant, and I’ve had zero connection drops. I’ll leave my phone in my truck and walk around a job site or warehouse, still connected clearly over 100 yards away. Battery life is phenomenal—I get multiple full workdays without needing a recharge. The charging case is simple and solid. It announces when you’re connected, and it’s never let me down. The touch controls are responsive and cover all the basics: play, pause, skip, volume. I’ve made calls with them too, and the mic quality is surprisingly crisp—no one’s ever complained. They’re also ridiculously comfortable and secure. I forget I’m wearing them most days, even after hours of moving around. The build quality is legit—they’re sturdy, not flimsy, and they’ve survived multiple drops without a hiccup. At this price, the AZ09s are a no-brainer. If you’ve got a favorite pair of IEMs and want to go wireless without losing sound quality or reliability, these are absolutely worth their weight in gold. ⸻ ✅ Pros: • Fantastic bass and clarity • Incredible Bluetooth range (100+ yards) • Long battery life (multi-day use) • Reliable, quick pairing • Comfortable and secure all-day wear • Durable build—survives drops ❌ Cons: • None that I’ve encountered

### ⭐⭐⭐⭐⭐ Great product, great price, stays put in your ear and has great sound!
*by T***. on May 29, 2025*

Another great purchase to write about! I work around our property every weekend and being a music lover I always have ear buds in so I can listen to tunes while I work. The problem is apparently my ears are misshapen in some way that makes every ear bud I've tried not seat correctly so the buds fall out of my ear. Anyone who constantly has to readjust or push their earbuds in can feel me on that point. I wanted a quality ear bud that fit securely and wouldn't come loose as I worked - and this product didn't disappoint. I will say that being Chinese made, it has some funny quirks - it sounds like the lady announcing that the device has connected says "Connectate" instead of "Connected". I don't really care about that though - all I care is that the sound is good quality and the buds stay firmly in my ear. This product did both very well and I'm loving not having to take my buds out and reseat them every 5 mins. I'm using a after product foam type ear piece - you can squish it down tight, put it in your ear, and it will expand to fit perfectly. Battery life has been great for the time I've had these (about 6 months). I'll work around our 7 acre property for 6-7 hours without having to charge and it still has juice left if I forget to charge them. This also has an option to be used as a corded ear bud as well, which I did find useful since I travel a lot and use headphones with a plug while flying to watch movies or listen to music. Now I have the best of both worlds. From a cost/value perspective you can't beat the price and they do seem to be of good quality. I would recommend this to anyone looking for a versatile set of music buds, that stay put in your ear and block out unwanted noise, keep their charge for 7+ hours, and are easy to pair to your phone/tablet or computer. I'd definitely buy them again.

### ⭐⭐⭐⭐ *Updated* (July 27th)* Had an issue with the first unit, had it replaced.
*by D***Z on July 15, 2022*

Update: I decided to replace the unit. This replacement is working great and I am enjoying using my KZ Z10 Pro with the bluetooth. While walking at the park I noticed the sound dropping on the left ear for a split second, and again the next day it happened again. So far it's very infrequent and doesn't bother me, not what caused it but at those times I was in motion with my phone in my pocket. Battery life has been good, i haven't ran them to low yet, the longest I used them in one use was like 2hrs. The call quality could be better, sounded a little choppy for what I was hearing and I'm not sure how I sounded on the other end. Comfort wise, it felt good, it's not heavy on the ears and it conforms well. When I use my IEMs at work, the dangling wire tends to bother me a bit with the pull in my ear hooks but with these units, it just sits comfortably on my ears. Overall I'm satisfied using my IEMs for more than just work now. I don't plan on using this Bluetooth for calls as much as I do for music and it does well the Z10 pros sound like they are wired. Original review: My left ear hook unit seems to not charge, I lift it out of the case, it turns on and then turns off by the time I securely place it over my ear. Its looks like it's charging when I place it in so i am not sure what's happening. The right unit is working fine and sounds great but I haven't even had a chance to use both together except for the initial setup and one other time after. I've tried resetting them and resyncing, making sure it charged over night, and placing it correctly without moving the charging case. Nothing seems to work and the left unit just turns on and off. One star for comfort because I only worn a single unit.

## Frequently Bought Together

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-20*