Product Details and Features: The Panasonic KX-DT343 digital proprietary telephone with 3-line backlit LCD display provides a range of advanced features and functionality, communications productivity and customer care. This advanced range integrates with Panasonic KX-TDA and KX-TDE as well as integration with the advanced KX-NCP network communications platforms, allowing quick access to the entire spectrum of phone system features and applications. KX-DT343-B Features: Digital Corded Phone Speakerphone 3-Line Backlit LCD Display USB Interface for CTI Bluetooth Module Compatible (KX- NT307) eXtra Device Port (XDP) Digital Extra Device Port (DXDP Message Waiting LED Alphanumeric Directory Search 2.5mm Headset Jack Handset/SP- Phone Volume Control H/S:4,SP:12 Off Hook Call Announcement Feature Access (Out-going) Call Log (In-coming) Call Log 24-Programmable Keys Speed Dial 7 Step Tilt Angle 4 Soft Keys Wall Mountable Works With The Following Systems: Panasonic KX-TDA 50 / 50G / 100 / 200 / 600 Panasonic KX-TDE 100 / 200 / 600 Panasonic KX-NCP 500 / 1000 ITEM HAS BEEN TESTED AND IS FULLY FUNCTIONAL