This hearing device is designed for old people or people with hearing problems. Easy-to-wear design, conform to your ear shape, stable wearing and can ensures the comfort. Soft silicone material, does not harm to your ear, and also ensure wearing stability and lasting. The hearing device can be directly inserted into the recharging base, and the recharging base can be recharged by the USB cable conveniently, and the indicator light can direct display the recharging status. You can have a try. Features: This hearing device is designed for old people or people with hearing problems. Its clearly sound quality and big power can be used for compensation of the hearing loss. Easy to wear design, conform to your ear shape, stable wearing and can ensures the comfort. Full digital circuitry, low power consumption, adaptive noise reduction, adaptive feedback cancellation. Soft silicone material, does not harm to your ear, and also ensure wearing stability and lasting. Directly inserted into the recharging base to recharge it, and the bule ?indicator light will flash while recharging and will stop blinking after fully-recharged. The recharging base is built-in batteries and it is powered by USB cable. Easily touching button control, user friendly and convenient. Comes with 6pcs earplugs in different sizes, widely suitable for different users with different demands. Specifications: Name: Hearing Device Material: ABS+silicone Color: white, black (optional) Recharing box: 1 * 3.7V, 300mah battery (included) Hearing amplifiers: 2 * 3.7V, 30mAhbattery (included) Max OSPL90: less than 120+/-3dB? High frequency average OSPL90: 103dB+/-4dB Average gain: 23dB+/-5dB Harmonic-wave distortion: less than 10percent Frequency-range: 300-3500Hz Equivalent input noise level: less than 35dB Package size: 120 * 90 * 35mm / 4.72 * 3.54 * 1.38in Package weight: 110g / 3.88ounce Packing List: 2 * Hearing Device 1 * Recharging Base 6 * Replacement Earplug 1 * USB Cable 1 * Brush 1 * Guideline