Item Type: TelephoneMaterial: ABSColor: BlackFunction: Caller ID, Hands Free Call, No Disturb, etcScope of Application: Office, Home, Hotel RoomsPackage List1 x Telephone1 x Earpiece1 x Telephone Line1 x Connection Line1 x Manual1HANDS FREE FUNCTION: You can choose hands free calls according to your needs, and intelligently adjust the speaker free volume effect. 2INCOMING CALL RINGTONE SELECTION: When you don't want to be disturbed, you can choose no ringtone to interfere with office calls. 3ADJUSTABLE SOUND VOLUME: Support volume adjustment, you can adjust the handle sound through a single button or a double button. 4CALLER ID: The caller ID is automatically recognized, and it supports both DTMF and FSK dual standard modes. 5QUALITY MATERIAL: The telephone is made of high quality ABS material, which is wear resistant, sturdy and durable, and has a long service life.