Features:1.Clear sound: Noise reduction function helps improve sound quality, giving you a clear voice on the phone.2.Fast Dialing: this wired phone with a loudspeaker uses a fast dialing group that can store several numbers.3.Wide Application: Designed with two interfaces. It allows you to connect the telephone and distribution board or extension device at the same time, such as POS machine and fax machine.4.Caller ID Display: Caller ID display function will display call numbers to help you know who phone you.5.Mute Function: It helps protect your privacy and secrets if you don't want to be heard on the other end of the phone. 6.Pause/ Hold Function: If you have to do something else while you're on the phone, press pause or press the button to pause the call and then press the pause or press the button to continue the communication.7.Last Number Redial: When suddenly hung up, the last number redial function can immediately redial the last number to continue your phone call.8.No Battery: It doesn't need batteries.It saves electricity and is more convenient to use.Specification:KX-T880CMaterial: ABSColor: White, Black (optional)Visual function: no Caller ID: yesNumber storage function: yes Weight: 677 gPackage List:1 * Telephone1 * Telephone Line1 * English Manual