VTech Curved Digital Wireless Telephone FS2615A Color:Turquoise 27mm diaphragm picks up every 5 meter length 27mm diaphragm picks up every detail for superb sound The superb quality of the microphone's active diaphragm ensures you always get faithful 10 pcs Connects two coaxial cables to extend length of cables Crafted with quality construction Non slip ergonomic grip for easy use Environmentally friendly lead free construction Internal calls between handsets and 3 way conference calls (2 internal callers and 1 external caller) Expandable with an additional 4 cordless handsets (FS2605A) sold separately 7 inches backlit LCD display High quality handset speakerphone 50 name and number phone book directory 20 caller ID records*** 10 last number redial Other Features : Adjustable handset ring melodies and volume Page or handset locator Call timer Auto answer Alarm lock Mute Up to 10 hours talk time 100 hours standby time Multi handset packs Call transfer