Experience the industy's best cordless range with the VTech IS8151-4 DECT 6.0 Expandable Cordless Phone featuring Super Long Range, Bluetooth Connect to Cell and Smart Call Blocker, you won't have to worry about unwanted calls waking you up in the middle of the night or tying up the line. Robocalls are automatically blocked from ever ringing through—even the first time. You can also permanently blacklist any number you want with one touch. With up to 2300 feet or range, you can be on a call anywhere in your home, yard, or even your neighbors home. Bluetooth Connect to Cell technology on the VTech IS8151-4 DECT 6.0 Expandable Cordless Phone lets you receive cell and/or landline calls from one home phone system. With a touch of a button, enjoy the high-tech benefits your smart phone offers.