for IP Phone, Headset - Black

Bluetooth - USB - Wireless Audio Stream, Microphone, Passive Radiator, Digital signal processing (DSP), Lightweight, LED Indicator, USB Charging Port

Mono - Mini-phone, Sub-mini phone - Wired - Over-the-head - Monaural - Circumaural - Noise Cancelling Microphone

Mono - Wireless - Bluetooth - 33 ft - Over-the-head - Monaural - Supra-aural - Noise Canceling

BLUETOOTH/USB WIRELESS HEADSET - CPU Code: WRLSHD - Media Type: WRLS - SPRACHT

Corded - 1 x Phone Line - Speakerphone

Mono - Black - Wireless - DECT - 350 ft - 32 Ohm - 300 Hz - 3.40 kHz - Over-the-head - Monaural - 58 dB SNR - Supra-aural

Mono - Wireless - DECT 6.0 - 350 ft - 32 Ohm - 300 Hz - 3.40 kHz - Over-the-head - Monaural - Supra-aural - Noise Canceling

DESKTOP WRLS HEADSET W/ BASE - CPU Code: WRLSHD - Media Type: WRLS - SPRACHT

Stereo - Gold - Wired - 32 Ohm - 20 Hz - 20 kHz - Earbud - Binaural - In-ear - Noise Canceling

VoIP - Caller ID - Speakerphone - USB

AC Adapter - Black

for IP Phone, Headset - Black

Mono - RJ-9 - Wired - Over-the-head - Monaural

Bluetooth - Near Field Communication - Passive Radiator, LED Indicator, Battery Status Indicator, Digital signal processing (DSP), Wireless Audio Stream, USB Charging Port

Mono - USB - Wired - 160 Ohm - 200 Hz - 5 kHz - Over-the-head - Monaural - Circumaural - 5 ft Cable - Noise Canceling

Stereo - Red - Wired - 32 Ohm - 20 Hz - 20 kHz - Earbud - Binaural - In-ear - Noise Canceling

1 x Phone Line (RJ-11) - Silver

USB - Microphone - AC Adapter, Battery, USB - Portable

1920 x 1080 Video - Fixed Focus - Microphone

AC Adapter - Black

Stereo - Wireless - Bluetooth - Earbud - Binaural - In-ear - Noise Canceling

Bluetooth

Mono - Gray - Wireless - DECT 6.0 - 492.1 ft - Over-the-head, Over-the-ear - Monaural - Supra-aural - Noise Cancelling Microphone - Noise Canceling