Item Type: Wired Telephone with Headset Material: ABS Compatible: For Office, Home1¡¢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 7¡Á24 hours of high frequency use. 5¡¢The call center phone is equipped with an omnidirectional microphone to improve voice clarity and achieve excellent high?quality sound.Speaker phone and earpiece volume does not support adjustment.1 x Telephone 1 x Telephone Headset 2 x Connection Cable 1 x Bracket 1 x Manual