Crisp and natural sound with super wideband, for voice clarity that exceeds conventional business standards Exceptional speech intelligibility with two Microphone noise-cancelling system and pioneering own-voice detection technology Sound clarity in high density environments with high density wideband mode Exceptional music/multimedia experience with Sennheiser quality stereo sound takes DECT headset performance to the next level Hearing Protection from acoustic shock by ensuring that the sound pressure level does not exceed 118 dB Full workday of talk time – up to 14 hours narrowband Fast charging with 50% battery in just 30 minutes All-day wearing comfort with soft leatherette ear pads and effective noise damping Optimized for major UC brands and CERTIFIED for Skype for business Enhanced security with protected pairing, 128-bit authentication and DECT security certification to keep all conversations confidential