• Advanced DSP Technology: The R03L1 is equipped with 10-channel Wide Dynamic Range Compression (WDRC) and 10-channel low expansion, delivering clear sound quality in various auditory environments
• App Customization: Users can personalize their hearing experience with four different adjustable programs via the mobile app, allowing for a tailored listening experience that ensures optimal comfort and clarity
• Intelligent Noise Management: With advanced background noise suppression, wind noise reduction, and adaptive feedback management, the device enhances speech clarity, providing a natural and immersive hearing experience
• Personalized Settings: The app allows users to fine-tune their preferences with an equalizer and smart volume learning, while intelligent voice spectrum analysis optimizes speech intelligibility for better communication
• Rechargeable Design: The device offers hassle-free use with features like automatic volume and program memory, low battery alerts, and a rechargeable lithium battery that provides over 15 hours of continuous use on a single charge. The charging case provides an additional three full charge cycles, ensuring uninterrupted hearing support throughout the day

Specifications:

• 90dB Output Sound Pressure Level: Max: <114+3dB / Avg: 107±4dB
• 50dB Saturated Output Sound Pressure Level: Max: 40±5dB / Avg: 35±5dB
• Frequency Range: 200~5000Hz
• Harmonic Distortion: 500Hz: 5% / 800Hz: 5% / 1600Hz: 5%
• Equivalent Input Noise: <32dB
• Working Time: >15 hours
• Operating Voltage: DC 3.0~4.2V
• Charging Time: 3 hours
• Battery Capacity: Charging Case: 600mAh, Hearing Aid: 30mAh