KAIXINWEI VHP-1607B DC3.7V In-ear Hearing Aid Sound Amplifier Infrared Detector and the knob brings out

and the knob brings out the personality

ISS: Scans all vehicle systems for fault codes

Operating Temperature -10 ~ 40 Degree Celsius

35mm) mix output jack that can be externally connected to a variety of external devices such as amplifiers

KAIXINWEI VHP-1607B DC3.7V In-ear Hearing Aid Sound Amplifier Infrared Detector and the knob brings out1. 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,