Wireless Invisible Hearing Aid With Digital Display Charging Case & Touch Control Red Blue+White Case

1. Wireless Invisible Hearing Aids: Wireless rechargeable hearing devices integrating concealment, comfort, and intelligent control, specifically designed for users seeking high-fidelity sound quality and convenient experience.2. Smart Digital Display Charging Case: Real-time display of remaining battery level to eliminate charging worries and easily plan usage time.3. Touch Control Operation: Convenient adjustments.4. Universal Design: Fits either ear (non-L/R specific), offering flexible wearing options.5. High-Sensitivity Balanced Armature Driver Unit: Combined with digital noise reduction technology to enhance speech clarity and suppress ambient noise.6. Ultra-Lightweight: Only 3g per ear, conforming to the ear canal contour for discreet and pressure-free wear.7. High-Capacity Charging Case: 2-hour charging time provides 35 hours of battery life, with 4-5 full recharges possible.8. Piano Lacquer Finish: Smooth and refined housing, combining aesthetics with practicality. Specifications: 1. Maximum OSPL90: less than or equal to 115dB +/-5dB 2. High-Frequency Average OSPL90: less than or equal to 110dB +/-5dB3. Full-on Gain: less than or equal to 30dB +/-5dB4. Frequency Response Range (not less than): 400Hz – 5000Hz5. Total Harmonic Distortion: 7% +/-3%6. Equivalent Input Noise Level: less than or equal to 28dB +/-5dB Laboratory test data is for reference only; actual products may vary.