xHT500 ● Headset ● Caller ID ● 35 call log Headset speaker volume control by knob Be the first to review this product ● FSK/DTMF caller ID display, automatic checking ● 30 incoming and 5 outgoing number memories ● 2 digits PABX code setup ● 32 digit pre dial and edit ● Green backlight in-use ● LED indication ● Flash and Mute function ● Ringer volume hi-low-off adjustable ● Flash time 100ms or 600ms choice ● Power save function ● Noise Cancellation Headset