# Etymotic Research HF3 Noise-Isolating In-Ear Earphones with 3 Button Microphone Control

- Category: Headphone
- Brand: Etymotic Research
- Model: ER23
- Part number: ER23-HF3-BLACK-I
- Price (US): currently unavailable
- Price last checked: 2026-08-06
- Rating: 4.1/5 from 99 Amazon reviews
- Warranty: 1 year
- Product page: https://buildmypc.net/component-details/headphone/etymotic-research-er23-er23-hf3-black-i/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Etymotic Research |
| Model | ER23 |
| Type | Wired |
| Color | Black |
| Frequency | 20 Hz - 15 kHz |

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