BT’s Paragon 510 is feature packed with a 200 name and number directory protected by a non volatile memory ensuring contacts are not lost during power failure. A SIM card reader/writer enables works as a back up device for users contacts should they loose their mobile phone or SIM card. Other features include type 2 caller display, 30 numbers call log, headset port and hands free function allowing for high quality conference calls either via a headset or by using the speakerphone. The handy calculator and appointment features can be accessed during a live call so the user can add important dates to their calendar or make calculations whilst connected. PBX compatible with meridian options, making this phone perfect to sit in front of a switch in an office environment.Plantronics Voyager 510 Wireless Headset with Handset LifterEnjoy wireless freedom in the office or on the go with the Plantronics Voyager 510 Bluetooth Headset System. This lightweight, versatile and stylish headset provides all-day wearing comfort and it folds away for easy storage. The noise-cancelling microphone delivers clearer voice transmission and superior sound quality. Perfect for the professional on the go, you can seamlessly change between your office phone and voice-enabled Bluetooth mobile phone, PDA or laptop—at the touch of a button.