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The in-ear OMX 680i headphones by Sennheiser employ a sweat and water-resistant architecture, an in-line remote and microphone, and a 3.9-foot cable. The OMX 680i additionally features a 18 – 20,000 Hz frequency response, 16 ohms nominal impedance, and 120 dB/mW sensitivity.
- Waterproof architecture
- In-ear design
- In-line remote
- In-line microphone
- 3.9-foot cable
- 18 – 20,000 Hz frequency response
- 16 ohms nominal impedance
- 120 dB/mW sensitivity
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