Hf700 2 in 1 professional business telephone call center headset phone handsfree desk headphone caller id telephone customer service telephone noise c
Featuresr 2 in 1 business telephone caller id telephone headphoner high quality professional call center headsetr fskdtmf caller id display automatic checkingr green backlight in user flash and mute functionr ringer volume hi low off adjustabler headset speaker volume control by knobr flash time 100ms or 1000ms choicer clear and sharp voice communicationr durable suit for 724 hours high frequency usingr flexible headband free stretchable for greater comfortable wearingr extrem