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Stop struggling to follow conversations. The CZ-R04 is not just a hearing aid; it’s a sophisticated smart wearable that combines medical-grade sound amplification with the convenience of modern Bluetooth headphones.
Personalized Hearing Tests via App: Download the "Hearing Pro" App to perform a professional-grade pure tone test at home. The app generates a custom frequency gain response and writes it directly to your device for a truly tailored hearing experience.
Powerful 42dB Full-on Gain: Equipped with a multi-band chip that independently controls high and low frequencies, providing up to 42dB gain to make even the faintest whispers clear.
Seamless Bluetooth Streaming: Effortlessly switch between Hearing Aid Mode and Bluetooth Mode. Enjoy hands-free phone calls, crystal-clear music, and videos directly from your smartphone.
Intelligent Noise Cancellation: Four dedicated scene modes (General, Outdoor, Indoor, and Viewing) allow you to filter out background noise and focus on what matters most in any environment.
All-Day Power & Comfort: Enjoy up to 8 hours of continuous use, extended to 24 hours with the portable charging case. The soft, medical-grade silicone ear tips ensure a comfortable, "barely-there" fit all day long.
Technical Specifications:
| Feature | Specification |
| Max OSPL90 |
$\le105dB+3dB$ |
| Full-on Gain | $38dB\pm5dB$ (Avg) / 42dB (Max) |
| Frequency Range |
300Hz ~ 5000Hz |
| Noise Level |
$\le25dB+3dB$ |
| Battery Life |
~8 Hours (Units) / ~24 Hours (with Case) |
| Charging Port |
Type-C Fast Charging |
2 x CZ-R04 Smart Hearing Aids
1 x Portable Magnetic Charging Case
8 x Additional Silicone Ear Tips (Multiple Sizes)
1 x Type-C Charging Cable
1 x User Manual & App Quick Start Guide
