Description _x005F_x000D_ _x005F_x000D_This hearing amplifiers is a great solution for those who are suffering bad hearing condition or hearing loss. Professiuonal audiological theoretically designed with digital sound noise reduction processing, this ear device actively reduces background noise to provide great hearing experience to the maximum. _x005F_x000D_ _x005F_x000D_Features _x005F_x000D_ _x005F_x000D_- SOUND AMPLIFIERS: Designed by expert audiologists with professional sound noise reduction process, provide clear and loud sound. Help the user rediscover the pleasure of listening to nature's sounds or talking to others. _x005F_x000D_- SUPERIOR DESIGN: Mini size and light weight, the hearing aid kit can easily fit into your pocket for easy storage and add no burden to your ear. _x005F_x000D_- EASY TO USE: With handy on and off button and volume control that allows the user to make accurate adjustments in no time. _x005F_x000D_- COMFORTABLE: silicone ear buds won't hurt your ears, offering the most comfortable wearing. _x005F_x000D_- WIDE USE. Suitable for hard-of-hearing users, the deaf, the elderly, the hearing-impaired, etc. _x005F_x000D_- PREFERENTIAL GIFT BOX. Different size noise cancelling earplugs for selection and a storage box is included. _x005F_x000D_- Note: Charge with a usb cable. _x005F_x000D_ _x005F_x000D_Specifications _x005F_x000D_ _x005F_x000D_- Color: Titanium Silver _x005F_x000D_- Material: Silicone _x005F_x000D_- Item Size: 4.5 x 3.5 x 1.2 cm _x005F_x000D_- Type: VHP-202S _x005F_x000D_- Max Sound Output: 129dB ± 3dB _x005F_x000D_- Max Sound Average Gain: 122dB ± 4dB _x005F_x000D_- Max Sound Gain: 40dB ± 5dB _x005F_x000D_- Harmonic Wave Distortion: <10% _x005F_x000D_- Frequency Range: 300~4000 Hz _x005F_x000D_- Input Noise: ≤32 dB _x005F_x000D_Note: _x005F_x000D_- Adjust volume to the minimum before wearing, and increase volume gradually to avoid sudden increase in sound. _x005F_x000D_- Choose an earplug of slightly bigger size to avoid whistler. _x005F_x000D_- Increase volume gradually to avoid sudden increase in sound. _x005F_x000D_- If you hear a howling, check the ear (silica gel) is appropriate and whether the size of plug is tight, the appropriate choice of earplugs and plugged, make sure no air leakage. _x005F_x000D_- Keep the ear plug clean. _x005F_x000D_- Remove the battery if you don't use it for long time. _x005F_x000D_Packing list1 x Hearing Aid_x005F_x000D_4 x Ear Buds (Different sizes)_x005F_x000D_1 x Cleaning Brush_x005F_x000D_1 x Box