1It has advanced amplification technology, easy and comfortable to wear. 2Layered noise reduction, to provide you with high quality voice, so that you immediately enjoy a clearer dialogue. 3The touch of a button controls the program and adjusts the volume to help you listen to the sounds of nature. 4Ergonomic designed, fit to your ears, will feel no pain after long time use. 5The product uses highquality ABS materials durable and safe to use, moistureproof, corrosion resistant. Condition: 100% Brand New Item Type: Hearing Aid Material: ABS Color: As Pictures Shown Weight: Approx. 66g/2.3oz Maximum Sound Output:129 +/- 3dB Sound Gain: 40dB +/- 5dB Total Harmonic Distortion: 10% Frequency Range:450-3400MHz Input Noise: 32dB Voltage: DC 1.2V Current: 1.2mA Full Charge in 6 Hours Work Time: about 28 Hours Battery Capacity: 40mA 1 x Hearing Aid 1 x Manual 1 x Charging Cable 1 x Accessories Package