Experience the ultimate upgrade for your wired earphones with the KZ AZ09. This cutting-edge Bluetooth adapter transforms your traditional earphones into true wireless Hi-Fi audio devices, offering unmatched convenience and performance.

Key Highlights

Bluetooth 5.2: Seamless and stable connectivity with low latency.
AAC Audio Encoding Support: Enhanced audio fidelity for crystal-clear sound.
Dual Host Technology: Independent use of each ear hook.
Extended Battery Life: Up to 6 hours of playtime per charge.
Ergonomic Design: Lightweight and comfortable for all-day use.
Auto-Connect: Simplified pairing for instant use.
Wide Compatibility: Fits most KZ models and standard 0.75/0.78mm pins.

Instant Wireless Upgrade

Turn your favorite wired earphones into wireless earphones effortlessly. The KZ AZ09 is compatible with a wide range of KZ models, including ZSX, ZSN, ASX, ZS10 Pro, DQ6, ZSN Pro, and many more. Its gold-plated plug ensures a secure and reliable connection.

Unmatched Comfort for Long-Term Use

Designed with skin-friendly resin, the KZ AZ09 weighs only 4.5g per ear hook, providing a snug, pressure-free fit for extended listening sessions. Whether at work, traveling, or exercising, you'll hardly notice you're wearing them.

Advanced Bluetooth 5.2 Technology

Lower Power Consumption: Enjoy longer playback with efficient energy usage.
Stable Signal: Provides a connection comparable to wired earphones.
Improved Range: Works up to 15m, offering freedom to move without interruptions.
Low Latency Mode: Delivers a 40ms delay for immersive gaming and video experiences.

Comparison with Bluetooth 5.0

Feature	Bluetooth 5.2	Bluetooth 5.0
Battery Life	6 Hours	2 Hours
Bluetooth Range	15m	8m
Game Mode Delay	40ms	80ms

Power That Lasts

The 800mAh charging case offers 8–10 additional charges, extending your total listening time to an impressive 54 hours. Each ear hook features a 50mAh battery, providing up to 6 hours of uninterrupted use on a single charge.

Crystal-Clear Audio

Utilizing AAC advanced audio coding, the KZ AZ09 ensures lossless transmission, delivering rich details and natural sound. Whether listening to music, gaming, or taking calls, every note and word comes through with exceptional clarity.

Dual Host, Dual Channel Transmission

Enjoy truly wireless freedom with dual-host technology, allowing each ear hook to connect independently to separate Bluetooth devices. This innovation reduces delay and boosts connectivity for a superior user experience.

Effortless One-Touch Control

Play/Pause: Click once.
Previous/Next Track: Double-click left/right ear hook.
Activate Voice Assistant (Siri): Long press for 2 seconds.
Answer/Hang-up Call: Single touch.
Reject Call: Long press during an incoming call.

Versatile for Every Scenario

Perfect for any environment:

Airports & Public Transport
Shopping & Leisure
Exercise & Fitness
Driving & Commuting

Specifications

Feature	Details
Bluetooth Version	5.2
Bluetooth Range	15m
Ear Hook Weight	4.5g (each)
Charging Case Weight	85g
Ear Hook Battery Capacity	50mAh
Charging Case Capacity	800mAh

Simple Setup in Seconds

Identify Left and Right Ear Hooks: Look for the "L" and "R" labels.
Attach to Earphones: Securely plug the ear hooks into your earphones.
Wear and Adjust: Place the hooks behind your ears, adjust for a snug fit, and enjoy.

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