2 Handsets, Sync smartphone to home phone, no landline required</br>Link up to four smartphones to make and receive cell calls with Link2Cell handsets</br>2-line operation for business, home and home office</br>3-way conferencing with speakers in base and handsets</br>Keep your smartphone charged with convenient USB input</br></br>Product Description</br></br>With 2 landlines and Link-to-Cell via Bluetooth, 3-Line simultaneous communication is possible. Up to 6 handsets can be kept on standby at the same time. Up to 4 cell phones can be registered.The 2-LINE answering system is used separately for ordinary contacts, emergency contacts, etc. Very useful in a variety of situations, such as when using two separate lines for private and business use.If the power goes out, the phone will operate using 2 AAA batteries so you don't miss a call.You can block annoying calls from unwanted callers. Calls from the call block list or without phone numbers will be blocked if they call you. The KX-TG954x disconnects the call and emits no sound to the caller.</br><br/>http://www.amazon.com/gp/product/B00H55N80W