About this item LINK2CELL - A cordless phone system that operates together with your cell phone. Simply charge your cell phone through the USB port on the cordless phone base unit and sync via Bluetooth ONE TOUCH TELEPHONE CALL BLOCK - Register up to 150 numbers with one-touch Call Block on the cordless phone base unit & cordless handsets. BI-LINGUAL CALLER ID - Talking Caller ID audibly announces caller information in either English or Spanish from the telephone's base unit and cordless handsets when you can't view the screen QUICK-READ MESSAGE COUNTER - Instantly know how many phone messages you have received with a large, easy-to-read message counter on the phone system's elegant cordless base unit TELEPHONE RINGER IDs - Assigned pre-programmed ringtones will sound on the phone's base unit and cordless handsets when corresponding Caller ID numbers are received from incoming telephone calls