Call Center Telephone with Headset MCHEETA Phone with Noise Cancellation Headset and Dialpad

HOW TO USE: ? 1.Insert the telephone line into the line port, which is behind the machine. ? 2.Connect the headphone to the telephone by pluging the line into the port. ? 3.Follow the instructions to complete the setup. NOTE: ? 1.No need battery. It is line power. ? 2.Do not place this product on unstable surface. The product may drop, causing serious damage to the product. ? 3.As for the mute key, it goes like this. During the call, when you press ""this key"", the microphone will stop working,the indicator light will turn red. Press ""this key "" again, the call will function again. Features: ? 30 incoming & 5 outgoing number memories ? 2 digits PABX code setup ? Green Blacklight in-use ? LED indication ? Flash & Mute function Package Included: ? 1 x Dialpad ? 1 x Headset ? 1 x Connect cord ? 1 x English user manual