DescriptionThis hearing amplifiers is a great solution for those who are suffering bad hearing condition or hearing loss. Professional audiological theoretically designed with digital sound noise reduction processing, this ear device can provide great hearing experience to the maximum. The earplugs are made of high-quality materials, giving your ears a comfortable wearing experience.Features-Color: Black-Material: ABS -Size: About 5.00X2.50X2.00cm/ 1.97X0.98X0.79inch -Max sound out put:115+/- 3dB-Sound gain:>= 28dB+/- 2dB-Total harmonic wave distortion:<= 7%-Frequency range:300-4800MHz-Input Noise:<=29dB-Voltage:d.c.1.4V-Current:<=1.5mA- Made from material, durable to use. It has a long service life. - Portable size and easy to carry out. You can take it for day and light without exhaustion. - ear plug won't hurt your ears. Exquisite mini, comfortable to wear. - Simple operation, easy to use. Most of people can use it without other' s help. - Suitable for hard-of-hearing users, the deaf, the elderly, the hearing-impaired, etc.
