10pcs aluminum knob encoder sound card potentiometer knob fine inside hole 6mm volume power amplifier adjustment metal cap
10PCS aluminum knob encoder sound card potentiometer knob fine inside hole 6mm volume power amplifier adjustment metal cap
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10PCS 24*15MM aluminum knob encoder sound card potentiometer red blue white fine inside hole 6mm volume amplifier metal cap
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10PCS 12*16MM aluminum knob encoder sound card potentiometer red blue white fine inside hole 6mm volume amplifier metal cap
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10PCS 14*17MM aluminum knob encoder sound card potentiometer red blue white fine inside hole 6mm volume amplifier metal cap
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[BELLA]Sound volume potentiometer encoder Mitsumi MITSUMI 11 encoder [ step 24 points ]--10PCS/LOT
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3 pieces RK11K1130A0M ALPS Power amplifier sound speaker volume adjustment potentiometer B10K B100K A500K
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5 PCS / LOT 103B Japan ALPS small adjustable carbon film single coupling potentiometer RK08H11100X7 sound volume adjustment 5 fe
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10pcs RV12MM B10K B50K Bent Pin Flat Pin B503 B103 Power Amplifier Sound Volume Radio Potentiometer With Switch Corner Pin
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10PCS 15x16.5MM 23x17aluminum knob encoder sound card potentiometer red blue white fine hole 6mm volume amplifier metal cap
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20PCS Dual color knob 10 * 12mm small volume adjustment hat flower shaft 6mm half axis potentiometer power amplifier sound
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AN127 Invisible In-Ear Hearing Aid Sound Amplifier For The Elderly And Hearing Impaired(Red Right Ear)
18 Руб.
Описание:
1. This hearing aid is specially designed for the elderly or people with hearing problems, suitable for those people or patients with hearing loss.2. Low power consumption, high fidelity, high-quality chips, and invisible flesh-colored surface will not appear incongruous in the crowd.3. With volume control function, the volume can be adjusted to meet your own needs and preferences.4. Built-in battery power supply, smaller, simpler, more convenient, more powerful and more stable.5. With digital circuit and automatic noise reduction technology, the sound is natural and brings you a comfortable experience.6. Ergonomic earplug design, even if you wear it for a long time, you will not feel pain. Specification:1. Material: plastic 2. Battery: 1 A10 battery, 1.4V, 1.2mA3. Maximum sound output: 122+/-3dB4. Sound gain: greater than or equal to 28dB+/-2dB5. Total harmonic distortion: less than or equal to 3%6. Frequency range: 300-4800MHz 7. Input noise: less than or equal to 26dBCaution: To avoid accidental swallowing by children, keep small parts out of reach of children