Feature: 1. Equipped with an omnidirectional microphone, the call center phone is improved its voice clarity and achieve high‑quality sound. 2. By adjusting the volume of ringtone and earphone, you can clearly hear the other party's voice even in a noisy environment. 3. The very soft ear pads are suitable for 7×24 hours of high frequency use and the microphone arm of the headset can freely rotate 330 degrees. 4. Without a battery, it can be connected to an existing standard telephone jack and for its durable structure and rigid design, it has extended service life. 5. You can talk, listen, and improve work efficiency without holding your mobile phone. Specification: Item Type: Corded Telephone with Headset Material: ABSApplication: Office Family and Others. Package List: 1 x Attendant Telephone1 x Attendant Headset1 x Connection Line1 x Bracket1 x Manual Note: The volume of the speaker phone and earpiece does not support adjustment.