KZ AZ09 IEM Bluetooth AdapterBluetooth 5.4 ModuleWireless Waterproof Ear Hook ExtraLong Battery Life Cable

🎧【2‑Pin Bluetooth Upgrade Ear‑Hook】 Convert your 0.75/0.78mm 2‑pin wired IEMs into true wireless earbuds in seconds. Gold‑plated pin design fits most KZ and compatible in‑ear monitors. *Earphones NOT included, only bluetooth ear‑hooks.🎧【Bluetooth 5.4 & AAC High‑Quality Audio】 Advanced Bluetooth 5.4 dual‑chip delivers fast pairing, stable connection up to 15m. Supports AAC audio coding for natural, clear sound, preserves your earphone’s original hi‑fi audio performance.🎧【Intuitive Multi‑Function Control】 Easy touch‑key operation: play/pause, answer/hang‑up calls, switch previous/next track, trigger voice assistant and reject incoming calls. Convenient hands‑free control for music and daily calls.🎧【Light‑Weight & Long Battery Life】 Single ear‑hook only 4.5g for secure, fatigue‑free wearing. 50mAh ear‑hook battery plus 400mAh charging case supplies extended playtime. Compact portable charging case for easy storage and recharging.🎧【Dual‑Host Fast Connection】 Dual‑host low‑power design offers quick response and seamless TWS sync. Small‑size lightweight build, great for sports, commuting and travel to enjoy wireless hi‑fi listening.