1、Powerful Memory Function: FSK/DTMF dual system automatic detection, display, storage and view of incoming and outgoing numbers. VIP memory storage and review. 2、Clear Display: Our durable and portable desktop corded telephone is simple to use, uses wired operation, and has a large 16 bit LCD display. The calendar and time can be clearly displayed. 3、Adjustable Volume: Our sturdy and protable desktop corded telephone has a flashing function, optional ringtones, ringer and earpiece volume control, and mute. 4、Dial Up Option: Tone/pulse selectable Press and hold the "*" key for 3 seconds, you can select the dialing type, through the selectable TONE/PULSE mode. 5、Multi Function Settings: Our sturdy and protable desktop corded telephone is equipped with pre dial function, redial function, calculator function, it is in line with multi functional commercial telephone.