R03L1 Digital Hearing Aid with Bluetooth Noise Reduction Sound Amplifier for the Elderly (Single Ear) - Right Ear ?Advanced DSP Technology: The R03L1 features 10-channel Wide Dynamic Range Compression (WDRC) and 10-channel low expansion, providing clear sound quality across various listening environments. ?App Customization: Users can customize their auditory experience with four adjustable programs via the mobile app, allowing for a personalized listening experience that ensures optimal comfort and clarity. ?Intelligent Noise Management: Enhanced background noise suppression, wind noise reduction, and adaptive feedback management improve speech clarity, offering a natural and immersive hearing experience. ?Personalized Settings: The app enables users to adjust their preferences with an equalizer and smart volume learning, while intelligent voice spectrum analysis optimizes speech intelligibility for improved communication. ?Rechargeable Design: This device includes 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 offers an additional three full charge cycles, ensuring uninterrupted hearing support throughout the day. ?Specifications: ?90dB Output Sound Pressure Level: Max: ?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: ?Working Time: >15 hours ?Operating Voltage: DC 3.0~4.2V ?Charging Time: 3 hours ?Battery Capacity: Charging Case: 600mAh, Hearing Aid: 30mAh ?Package included: ?1 x Hearing Amplifier ?1 x Charging Case ?1 x Charging Cable ?1 x Wax Guard and Tool ?6 x Earplugs ?1 x Cleaning Brush ?1 x User Manual in English