Feature: 1. Five gears adjustable, intelligent noise reduction, automatic elimination environmental noise, more clearly listen to effective audio source, original digital chip. 2. Complete invisibility designed, small size, lightweight, comfortable to wear, provides you with clear sound and excellent listening comfort, easy to use, small as invisibility. 3. Skin colour shape, simulation designed, sound can hear, invisibility appearance. 4. If you find difficult to hear from others well, hearing amplifier can help you recover hearing and live life you used to. 5. Wearing hear amplifier means rediscovering joys of gathering with friends and family, feeling more confident at work, watching movies, music and TV shows. 6. Super small, lightweight and not easy to see. Increase volume gradually to avoid sudden increase in sound. Using premium materials, safe to use. Specification: Item Type: Hear Aid Model: D-8000 Material: ABS + Silicone Color: As Pictures Shown Maximum Sound Output: 118 ± 4dB Maximum Sound Gain: 32dB ± 5dB Frequency Range: 300 ~ 3800Hz Total Harmonic Distortion: ≤5 % Current: ≤1.5mA Built in Battery: Li Battery 28mAh Weight: Approx. 110g. Package List: 1 x Hear Aid1 x Manual 1 x Screwdriver1 x Cleaning Brush3 x Earmuff1 x Plug1 x Charging Connector1 x Storage Box