KZ ZSN PRO X + KZ AZ09 Bluetooth 5.2 Module, KZ Wireless in Ear Monitor with Mic

[Free Switch Between Wired and Wireless] - Bluetooth module specially designed for earphones with 0.75 mm / 0.78 mm pins, turning wired headphones into wireless headphones in seconds and eliminating wire harness constraints. Switch between wired and wireless modes according to different scenario needs while ensuring the original headphone sound quality. [High-Fidelity Sound] - Bluetooth 5.2 technology delivers an unparalleled audio experience with faster transmission speeds and stronger connection stability. AAC advanced audio coding transmission technology greatly improves audio quality for natural, clear sound. [Long Playback] - Each earbud provides 6 hours of playback from a single charge.

The 800mAh charging case supports 7 recharges for both earbuds, providing up to 42 hours of continuous music time to keep music going all day when out. [Double Host & High-Performance Game Mode] - Replacing the conventional single host, dual-channel transmission helps reduce delay. Earhooks can be used individually. High-performance mode provides faster audio transmission speeds during games. [Lightness & One-Key Operation] - Each Bluetooth earhook has one multifunction press button for receiving calls, playing or pausing music, and switching tracks. Easy, simple operation