EPOS IMPACT SDW 5066 DECT Wireless Office Binaural headset w/ base station, for PC, Desk Phone & Mobile, Included BTD 800 dongle The IMPACT SDW 5066 ensures that those conversations are secure, with the implementation of DECT Security certification. The headset can enjoy secure pairing with the use of 128-bit encryption keys that help to protect audio from being intercepted over the air. The headset can manage these clear and secure calls from a PC. The headset can manage these clear and secure calls from a PC, deskphone, or smartphone. EPOS Manager This cloud-based tool allows IT staff to control the device, such as disabling Bluetooth, call merging & conferencing mode as needed, as well as manage updates and configurations from a central location. ADDITIONAL FEATURES: Up to 14 hours of battery life (up to 9 hours on Super Wideband) Ensure clarity in high-density locations with high-density wideband mode The headset protects your hearing by ensuring the SPL does not exceed 118 dB Optimized for most major UC brands and is certified for Skype for Business Integrated busy light lets others know you're on a call Use an (optional) wired or Bluetooth headset with the base station (Bluetooth requires the included dongle) Auto sleep mode when out of range for 12 hours Connect up to 4 IMPACT SDW 5000 headsets to the base station