--- 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: "FREE" currency: GBP in_stock: false reviews_count: 5 url: https://www.desertcart.co.uk/products/447662418-kz-az09-bluetooth-5-2-module-wireless-waterproof-ear-hook store_origin: GB region: United Kingdom --- # 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:** FREE **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?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/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: 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: 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. ## 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 ### ⭐⭐⭐⭐⭐ Review *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 ### ⭐⭐⭐⭐⭐ Review *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. ### ⭐⭐⭐⭐⭐ Review *by C***S on 23 March 2026* I was looking for another cheep pair of wired earbuds when I seen these Bluetooth earbuds. They cost more then I wanted to spend, but the vast majority of reviews really seemed good, so I decided to break down and spend the extra money on my first ever pair of wireless earbuds. WOW! These things are absolutely awesome! The base they put out is unbelievable, and the volume is on another lever for earbuds, so loud! They are loud, deep, and clear sounding with no distortion. It's like having hi-fi stereo system on your head while walking, riding a bicycle, or whatever you do on the go. I highly recommend these! Well worth the price. ## 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.co.uk/products/447662418-kz-az09-bluetooth-5-2-module-wireless-waterproof-ear-hook](https://www.desertcart.co.uk/products/447662418-kz-az09-bluetooth-5-2-module-wireless-waterproof-ear-hook) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-18*