Key Features：

1. Wired Earphone Becomes True Wireless Bluetooth in Seconds – New ways to play with interchangeable earphones. Compatible with common 0.75/0.78mm earphone pins on the market – instantly transform your wired IEMs into true wireless earphones.

2. Qualcomm QCC3040 Chip – Bluetooth 5.2 – Industry-recognized leading wireless technology. New Bluetooth 5.2 transmission efficiency with higher transmission speed, more stable transmission signal, lower delay, and longer endurance performance – free from interference.

3. Independent Power Amplifier Chip – HD Sound – Easily matches with multi-unit balanced armature and hybrid technology earphones. Delivers convenient wireless experience with HD sound – preserves the audio quality of your premium IEMs.

4. Extended Battery Life – 8+ Hours Playback – Enjoy approximately 8 hours of continuous playback per charge. Long endurance performance – perfect for all-day listening, travel, and commutes.

5. Low Latency – Smooth Audio-Video Sync – Improved transmission speed with reduced delay. Ideal for gaming, video streaming, and music – synchronized audio without lag.

6. All Operation One-Button Control – Simple, intuitive control: play/pause, answer/reject calls, track navigation – all accessible with one-button operation. Effortless control without reaching for your device.

7. Enhanced Noise Reduction Effect – Upgraded from AZ09 with improved noise reduction performance. Clearer calls and better audio quality in various environments.

8. Wide Compatibility – Compatible with most detachable IEMs featuring 0.75/0.78mm 2-Pin connectors. (This product is only for Bluetooth upgrade earhooks – earphones not included.)

Detailed images：