Hearing Aids USB Rechargeable 6 Level Volume Wireless Sound Amplifier for Left Right Ear

Feature: 1. Comfortable: Ergonomically designed hearing aids that fit the contours of your ears, compact and lightweight design, comfortable to wear. 2. Adjustable Volume: Digital hearing amplifier, 6 level volume adjustable, adjust the sound clarity according to the person, easy to operate. 3. Interchangeable: This hearing aid can be rotated 360 degrees and can be used for left and right ears to meet your needs in different scenarios. 4. USB Rechargeable: Built in 40mAh battery, USB charging, about 3 hours charging time, when fully charged, the use time is up to 45 hours. 5. Replacement Earplugs: Equipped with earplugs of different sizes to meet the use of different people, simple and elegant design, both men and women can wear . Specification: Item Type: Hearing Aids Material: ABS Maximum Sound Output: 118+-4dB Sound Gain: more than 32dB+-2dB Total Harmonic Distortion: less than 7percent Frequency Range: 300-3800MHz Input Noise: less than 32dB Voltage: DC 3.7V Current: less than 2mA Fully Charged About 3 Hours Normal Work About 45 Hours Built in Lithium Battery Capacity: 40mAh (Included). Package List: 1 x Hearing Aids1 x USB Charging Cable4 x Earplugs1 x Brush1 x English Manual1 x Storage Box Note: Please note that the color of the box will be sent randomly, and make sure you will not mind before ordering.