Meet the future prepared with Sennheiser SDW 5066 - a double-sided wireless DECT headset for modern office professionals. For all-day users, talk time is extended through increased battery performance, while long term wearing comfort is enhanced with headband wearing style and soft leatherette ear pads adding effective noise damping to improve productivity. SDW 5066 sets new standards with super wideband audio, delivering a voice experience beyond conventional business expectations. Exceptional stereo music reproduction takes DECT headset performance to the next level. Two Microphone noise-cancelling system and pioneering own-voice detection technology deliver excellent sound for speech intelligibility in very noisy environments. Stay mobile and connected around the office by handling all mobile, softphone/PC and desk phone calls from one smart, secure headset system. Connect a Sennheiser Bluetooth headset, a wired headset or speakerphone to the base station for additional flexibility. The base station is compatible with all SDW 5000 headsets for maximum flexibility and desk sharing. Enhanced security with 128-bit authentication, protected pairing and DECT security certification keep conversations confidential. SDW 5066 is UC optimized and certified for Skype for Business, with smart call controls and busy light to improve productivity, while Sennheiser HeadSetup Pro Manager provides easy configuration and management for it managers.