Invisible In-ear Hearing Aid Sound Enhancement Device Sound Amplifier with Soft Ear Tips Adjustable Volume Control Hearing Aids
sku: 32907884342
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$28.98
Shipping from: China
Technical Details
| Battery: | lithium battery, 55mAh |
| Brand Name: | JECPP |
| Charger: | DC 5V/50mA-500mA |
| Current: | <=4mA |
| Frequency range: | 300-4000Hz |
| Input Noise: | <=30dB |
| Item type: | Ear Care |
| Material: | Plastic |
| Max Sound Output: | 130+-5dB |
| Model Number: | Invisible In-ear Hearing Aid |
| Size: | 50*48*9mm |
| Sound Gain: | 38dB+-5dB |
| Total harmonic wave distortion: | <=5% |
| Voltage: | DC 3.7V |
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