Features: new and high quality Noise reduction function helps prevent outside noise and gives you clear sound when calling. The Caller feature will display the caller number to help you avoid eccentric calls. Give you a more secure calls. The mute feature helps protect your privacy and secrets if you don't want the other end to hear you while on phone. Very reliable. If you have to do other little things while answering call, you can pause or press the button to pause call. Then press Pause or press and hold the button to continue communication. When a sudden hanging up occurs, the Last Number Redial feature can immediately Redial the last number to continue your business. Very practical No battery required. Save energy and easy to use. Specifications: Material:ABS Color:Black/White Package Includes: 1x Landline Phone note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.