--- product_id: 447662418 title: "KZ AZ09 Bluetooth 5.2 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: "€ 0.05" currency: EUR in_stock: false reviews_count: 5 url: https://www.desertcart.at/products/447662418-kz-az09-bluetooth-5-2-module-wireless-waterproof-ear-hook store_origin: AT region: Austria --- # Bluetooth 5.2 Hi-Fi sound Waterproof durability 42h total playback KZ AZ09 Bluetooth 5.2 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:** € 0.05 **Availability:** ❌ Out of Stock ## Summary > 🎧 Cut the cords, not the vibe. ## Quick Answers - **What is this?** KZ AZ09 Bluetooth 5.2 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?** € 0.05 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/447662418-kz-az09-bluetooth-5-2-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 - • **All-Day Battery Power:** Up to 6 hours per charge plus 7 full recharges from the compact 800mAh case—42 hours of uninterrupted music wherever you go. - • **Immersive Hi-Fi Audio:** Bluetooth 5.2 with AAC codec delivers crystal-clear, natural sound and ultra-stable connection for your daily soundtrack. - • **Dual-Host & Low-Latency Game Mode:** Experience lag-free gaming with dual-channel transmission and use each earhook independently for ultimate flexibility. - • **Seamless Wired-to-Wireless Switch:** Transform your wired KZ earphones into wireless freedom in seconds—ditch the cables without sacrificing sound quality. - • **Featherlight Comfort & Intuitive Control:** At just 4.5g, these earhooks feel like a second skin, with one-button control for calls, music, and more—effortless on-the-go operation. ## Overview The KZ AZ09 Bluetooth 5.2 Module converts compatible wired KZ earphones into wireless, waterproof earhooks featuring advanced AAC audio, dual-host low-latency mode, and an 800mAh charging case delivering up to 42 hours of playback. Lightweight and easy to control, it’s designed for professionals who demand freedom without compromise. ## Description Size:C / B PinSPECIFICATIONSProduct name: KZ-AZ09 bluetooth earhookBluetooth version: V5.2Bluetooth range: 15mEar hook weight: 4.5g(single)Weight of charging case: 85gEar hook battery capacity: 50mACharging case battery capacity: 800mANote: This product is only for Bluetooth upgrade earhook, without earphones. 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: good but louid & weird voice over, needs controls and/or an app - removing 1 star. I cannot turn off the flashing bluetooth lights, which wake my wife up in bed at night. so i'm removing one star down to 3 stars, since i'm now limited to using them only during daytime. this goes back to needing an app to control things like voice, permanent set equalizer, and LED. I had a pair of panasonic earbuds, that i really didn't like oveall due to fit (constantly falling out of ears) and flat sound, but at least i could turn off the dang LEDs. I'm using this with KZ ZSN Pro Dual Drivers 1BA 1DD in Ear Earphones. They paired easily and quickly with my phone so yipee. I do wish they had a dedicated app for permanent equalizer adjustments similar to fiio (but my fiios broke after 3 days so they're out). the "turn on" "turn off" "disconnected" "connected" "performance mode" voice over lhas a hilariously bad stereotypical asian accent, and it is crazy loud. i try to keep my headphones off my head until after i've turned them on, or take them off before i turn them off because the voiceover is sooo loud. unfortunatly there isn't any warning before you get blasted with the "low power" voice -over. so that one hurts. They have a sleek 3 fast click performance mode feature that helps the earbuds sound better. i'm not sure if this simply uses more juice to power the drivers tighter or if it changes volume and equalizer settings, but it does have a nice effect on the quality of the buds i'm using with this set. The wrap around cord is comfortable for me, and stays in place very well. i've done gardening and other active things, and haven't felt them slipping off at all, and haven't had any fit induced discomfort. I intended to use them bicycling with a helmet but haven't yet, so cannot comment. I would like a bit more control on the device, and here is where i bring the review back from 5 to only 4 stars. only 1 button per ear, the buttons control on/off (long press) pause/start (1 click) ....3 clicks gives you performance mode. 2 clicks left/right ear gives you advance or rewind to next/previous song. no volume controls, that needs to happen from the source, like your phone. I LOVED this feature on my fiios, with the ear dials, fantastic, but not here. there isn't an app for volume or equalizer control at least not one that i could download. i saw some sites elude to the existence of an app, and i even tried to download one from a link i was hopeful for but it just sat there, and i worry that i just downloaded some malware. (nothing bad noticed yet, but maybe it's just monitoring things for a while....intrusive thoughts i know). with better controls and a MUCH quieter voice over (even with the bad accent) i'd give this 5 stars. ## 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 5.2 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. 800mAh charging case supports 7 times of recharging for both earbuds, gives up to 42 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. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B099K7811D | | Age Range Description | Adult | | Brand Name | CCA | | Cable Features | Without Cable | | Control Type | Media Control | | Customer Reviews | 4.0 4.0 out of 5 stars (223) | | Enclosure Material | Plastic | | Headphone Form Factor | In Ear | | Is Autographed | No | | Item Weight | 4.5 Grams | | Manufacturer | KZ | | Model Name | KZ AZ09 | | Model Number | AZ09 | | Network Connectivity Technology | Wireless | | Product Features | Microphone Included, water-resistant, wireless | | Style Name | In-ear | | Water Resistance Level | Waterproof | | Wireless Technology Type | Bluetooth | ## Product Details - **Age range (description):** Adult - **Brand:** CCA - **Cable feature:** Without Cable - **Connectivity technology:** Wireless - **Control type:** Media Control - **Form factor:** In Ear - **Item weight:** 4.5 Grams - **Material:** Plastic - **Model name:** KZ AZ09 - **Wireless communication technology:** Bluetooth ## Images ![KZ AZ09 Bluetooth 5.2 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) ![KZ AZ09 Bluetooth 5.2 Module Wireless Waterproof Ear Hook Extra Long Battery Life Bluetooth Cable for ​KZ ZST/ZSTX/ZS10/AS06/AS10/BA10/ZSR/ES4 (B pin) - Image 2](https://m.media-amazon.com/images/I/61NfHogX7-L.jpg) ![KZ AZ09 Bluetooth 5.2 Module Wireless Waterproof Ear Hook Extra Long Battery Life Bluetooth Cable for ​KZ ZST/ZSTX/ZS10/AS06/AS10/BA10/ZSR/ES4 (B pin) - Image 3](https://m.media-amazon.com/images/I/715KgCRBDZL.jpg) ![KZ AZ09 Bluetooth 5.2 Module Wireless Waterproof Ear Hook Extra Long Battery Life Bluetooth Cable for ​KZ ZST/ZSTX/ZS10/AS06/AS10/BA10/ZSR/ES4 (B pin) - Image 4](https://m.media-amazon.com/images/I/61nqSQBZyuL.jpg) ![KZ AZ09 Bluetooth 5.2 Module Wireless Waterproof Ear Hook Extra Long Battery Life Bluetooth Cable for ​KZ ZST/ZSTX/ZS10/AS06/AS10/BA10/ZSR/ES4 (B pin) - Image 5](https://m.media-amazon.com/images/I/61RXnkxkapL.jpg) ## 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 31 July 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 ### ⭐⭐⭐ good but louid & weird voice over, needs controls and/or an app *by A***R on 27 May 2026* removing 1 star. I cannot turn off the flashing bluetooth lights, which wake my wife up in bed at night. so i'm removing one star down to 3 stars, since i'm now limited to using them only during daytime. this goes back to needing an app to control things like voice, permanent set equalizer, and LED. I had a pair of panasonic earbuds, that i really didn't like oveall due to fit (constantly falling out of ears) and flat sound, but at least i could turn off the dang LEDs. I'm using this with KZ ZSN Pro Dual Drivers 1BA 1DD in Ear Earphones. They paired easily and quickly with my phone so yipee. I do wish they had a dedicated app for permanent equalizer adjustments similar to fiio (but my fiios broke after 3 days so they're out). the "turn on" "turn off" "disconnected" "connected" "performance mode" voice over lhas a hilariously bad stereotypical asian accent, and it is crazy loud. i try to keep my headphones off my head until after i've turned them on, or take them off before i turn them off because the voiceover is sooo loud. unfortunatly there isn't any warning before you get blasted with the "low power" voice -over. so that one hurts. They have a sleek 3 fast click performance mode feature that helps the earbuds sound better. i'm not sure if this simply uses more juice to power the drivers tighter or if it changes volume and equalizer settings, but it does have a nice effect on the quality of the buds i'm using with this set. The wrap around cord is comfortable for me, and stays in place very well. i've done gardening and other active things, and haven't felt them slipping off at all, and haven't had any fit induced discomfort. I intended to use them bicycling with a helmet but haven't yet, so cannot comment. I would like a bit more control on the device, and here is where i bring the review back from 5 to only 4 stars. only 1 button per ear, the buttons control on/off (long press) pause/start (1 click) ....3 clicks gives you performance mode. 2 clicks left/right ear gives you advance or rewind to next/previous song. no volume controls, that needs to happen from the source, like your phone. I LOVED this feature on my fiios, with the ear dials, fantastic, but not here. there isn't an app for volume or equalizer control at least not one that i could download. i saw some sites elude to the existence of an app, and i even tried to download one from a link i was hopeful for but it just sat there, and i worry that i just downloaded some malware. (nothing bad noticed yet, but maybe it's just monitoring things for a while....intrusive thoughts i know). with better controls and a MUCH quieter voice over (even with the bad accent) i'd give this 5 stars. ### ⭐⭐⭐⭐⭐ Good Stuff *by T***S on 8 April 2026* Works perfectly. It's comfy and has a good grip on my ear, no chance of it falling out. Battery lasts a long time. Charging case is nice too. My only problem with it is the flashing light when pairing is a bit too bright. I was worried about choppy/poor audio, but it turns out it was a problem with my computer's bluetooth usb dongle. It works fine when paired to my phone. ## Frequently Bought Together - KZ AZ09 Bluetooth 5.2 Module Wireless Waterproof Ear Hook Extra Long Battery Life Bluetooth Cable for ​KZ ZST/ZSTX/ZS10/AS06/AS10/BA10/ZSR/ES4 (B pin) - CCA C10 in Ear Monitor Headphone 10 Hybrid Drivers Wired Earbud 4BA 1DD HiFi IEM Earphones Stereo Noise Isolating Earphone with Detachable Cable for Musicians Singers Audiophiles (Black, Without Mic) - [6 Pairs] Earphone Tips New Bee 12pcs Replacement Earbud Tips Blocking Out Ambient Noise Memory Foam Earbuds Inner 4.9mm for in-Ear Headphones with 5mm-7mm Tips (Black, S/M/L) --- ## 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.at/products/447662418-kz-az09-bluetooth-5-2-module-wireless-waterproof-ear-hook](https://www.desertcart.at/products/447662418-kz-az09-bluetooth-5-2-module-wireless-waterproof-ear-hook) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-06-05*