【KZ-AZ09】 Bluetooth 5.4 Ear Hook – Convert Wired IEMs to Wireless with AAC & Dual Host, Bluetooth 5.4 Module, TWS Waterproof Earhook, Long Battery Life

Key Features

1. Instant Wireless Upgrade – Plug‑and‑play design with gold‑plated pins turns any wired earphone (hybrid/dynamic/balanced armature) into a true wireless set in seconds, freeing you from cable tangles.

2. Bluetooth 5.4 with AAC – Advanced chipset supports high‑quality AAC audio encoding, delivering stable, low‑latency transmission and improved sound fidelity for music and calls.

3. Dual‑Host Dual‑Channel Transmission – Each earbud connects independently, ensuring faster response, lower interference, and seamless switching between devices – perfect for gaming and video.

4. Ergonomic & Lightweight Comfort – Weighing only 4.5g per side, the skin‑friendly resin earhook conforms gently to your auricle, providing a secure, comfortable fit for all‑day wear, even during exercise.

5. Long Battery Life & Wide Compatibility – 50mAh per earbud + 400mAh charging case keep you powered through the day; auto‑connect and universal compatibility with iOS/Android make it hassle‑free. (Earphones not included.)