Rechargeable Hearing Earphones In-Ear Sound Amplifier Audiphones Adjustable Noise Reduction Audifonos For Elderly
Specification Color Black Nude ColorPower Method USB Data CableCharging Time 60 MinutesLong Battery Life 20 30 MinutesProduct Size 21 7x15x21 9 mmWork voltage 3 7 in direct current 5 10 Working current ≤ 1 4mFrequency characteristics 300 5000 HzEquivalen input noise ≤ 29 dB 3 dbMaximum saturation of the acoustic output ≤ 128 dB 3 dBFeatures The sound volume can be adjusted according to different situations In an hour charging 30 minutes in battery life Weme resistant dustproof and sweating invasion The sound is divided into different frequency bands and the chip can noise on the sound of different frequency bands It simple and easy to operate open it with one click The body design fits the ears and does not fall easily The earplugs with 4 different sizes are suitable for different people to use Package Included 1 x USB Cable1 x Charging Base1 x Earphone4 x Earplugs1 x Cleaning brush
