Rechargeable BTE Hearing Amplifier with Adjustable Frequency, Discreet Noise Cancelling (Blue)

Package Size: 15*01*5cm Weight: Approx. 6.5g Maximum Output (OSPL90): ≤129dB+3dB Acoustic Gain: 40±5dB Reference Frequency: 450Hz-3400Hz Equivalent Input Noise Level: ≤32dB Harmonic Distortion: ≤10% Battery: 30mA Charging Time: Approx. 2 hours Usage Time: Approx. 35 hours Accessories: Hearing aid unit x 1, ear tips x 4, charger x 1, cleaning brush x 1, USB cable x 1, Japanese instruction manual x 1 (e-edition)

Purchase Guarantee: If the product you received is damaged or defective, please feel free to contact us by email. We will promptly replace or return the product. This compact, lightweight, and stylish hearing aid can be used in either ear. No need for troublesome battery changes; simply recharge and reuse. A full charge of approximately 2 hours provides up to 35 hours of use. It has two modes, low frequency and high frequency, which can be switched depending on the usage environment to achieve clear sound quality. It comes with four types of high-quality silicone earpieces that are gentle on the skin and provide excellent sound insulation.