Feature:1. It can be connected to an existing standard telephone jack without a battery, durable structure and rigid design extend the service life.2. You can talk, answer, and improve work efficiency without holding your mobile phone.3. The ringtone and earphone volume can be adjusted, so you can clearly hear the other party's voice even in a noisy environment.4. The microphone arm of the headset can freely rotate 330 degrees, and the very soft ear pads are suitable for 724 hours of high frequency use.5. The call center phone is equipped with an omnidirectional microphone to improve voice clarity and achieve excellent highquality sound.Specification:Item Type: Wired Telephone with HeadsetMaterial: ABSCompatible: For Office, Home.Package List:1 x Telephone1 x Telephone Headset2 x Connection Cable1 x Bracket1 x ManualNote:Speaker phone and earpiece volume does not support adjustment.