This AT&T cordless phone system comes with three handsets that can be expanded to include more if needed. The DECT 6.0 frequency ensures clear call quality and the system can connect to cell phones via Bluetooth. It also has a smart call blocker to filter unwanted calls - robo calls are automatically blocked from ever ringing through-even the first time. Permanently blacklist any number you want with one touch. Bluetooth Connect to Cell technology on the AT&T DECT 6.0 Expandable Cordless Phone lets you receive cell and-or landlines from one home phone system. With a touch of a button, enjoy the high-tech benefits your smart phone offers. Even if your smart phone is in a different room, you can still access Siri or Google Now from the cordless handsets.  You can also add up to 12 accessory handsets in minutes with just one phone jack. The phones are black in color and come with speakerphone capability.   INSTRUCTIONS not included but easily found online.