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  • Connects to
    • PC, Mac, smartphone or tablet via 3.5 mm
    • Users requiring plug-n-play PC telephony and who use their mobile device for conference calls
    • Microphone frequency response 100 Hz–10 kHz optimal for wideband voice telephony (up to 6,800 Hz), hi-fi stereo (C225) output from 20 Hz–20 kHz, noise-cancelling microphone
    • SoundGuard: Acoustic limiting for protection against sounds above 118 dBa
    • C215: Monaural, C225: Stereo