The KX-DT300 series of business telephones features outstanding voice quality and a range of productivity-boosting features, including support for Bluetooth-enabled wireless headsets on two of the four new models. Sporting a sleek "double-tilt" design with a base unit and display that can be adjusted separately to match any work environment, the new phones integrate easily with Panasonic"s different telephone platforms.Features: • Display (LCD) Lines/Characters: 3/24 • LCD Backlit: Yes • Headset Jack: Yes • Message Waiting LED: Yes • Speakerphone: DigitalDuplex • Peronsal Speed Dial: 100 • Alphanumeric Directory Search: Yes • Call Log: 100 • Function Button: 24 • Soft Key: 4 • Interface for CTI (3rd Party): USB • Add-on Key Module / DSS Console: Yes / Yes • Bluetooth Module (Headset): Yes • Extra Device Port (for analog): Yes • Navigation Key: Yes • Ringer Tone/Melody: 30 • Wall Mounting: Yes