KAIXINWEI VHP-1607B DC3.7V In-ear Hearing Aid Sound Amplifier Infrared Detector Operating Temperature -10 ~ 40

Operating Temperature -10 ~ 40 Degree Celsius

can effectively reduce the CPU load

Alpha 99 II / ILCA-99M2 (A99 II)

and the knob brings out the personality

WCDMA: B1/B8

KAIXINWEI VHP-1607B DC3.7V In-ear Hearing Aid Sound Amplifier Infrared Detector Operating Temperature -10 ~ 401. This hearing aid is specially designed for the elderly or people with hearing problems, suitable for those people or patients with hearing loss. 2. Double noise reduction, low power consumption, high fidelity, high quality chip. 3. Small in size and light in weight, it helps you get rid of the shackles of earphone wires, and is convenient for watching movies and enjoying dramas, etc. 4. Ergonomic earplug design, even if you wear it for a long time,