Description: If you find it hard to hear very well from others, a hearing aid can help you solve this problem. We devoted ourselves to the hearing protection and sound amplification. Therefore, here comes our mini sound amplifier, which offers you precise sound amplification. You no longer have to try to read lips or ask what over and over. Come and have a try. Features: Reliable and user-friendly, made of premium material, flexible, safe and comfortable to wear and harmle to ear canal. Comes with 3 earpieces, 3 pieces of button batteries and a storage case, portable and convenient for your storage. In ear design, it's invisible, will fit your ear well and others can't really see it when they are looking directly at you. It has a noise reduction feature, great for eliminating background noise and providing you the best sound quality. Adjustable volume, meeting your different needs, enjoy your new life with this lovely stuff. Specifications: Type: Hearing Aid Model: KXW-20B Material: Silica Gel; ABS Color: Khaki Max Sound Output: 1305dB Max Sound Gain: 50dB Total Harmonic Wave Distortion: 8% Frequency Range: 300~4000Hz Input Noise: 30dB Battery: 1 * L1154F Button Battery Voltage: DC 1.5V Working Current: 4mA Earplug Diameter: Approx. 1.1cm / 0.43in Package Size: Approx. 8.5 * 8.2 * 3cm / 3.35 * 3.23 * 1.18in Package Weight: Approx. 66g / 2.33oz Note: Please read the user manual carefully before use. Package List: 1 * Hearing Aid 3 * L1154F Button Battery 3 * Earplugs 1 * Storage Case 1 * Operation Manual