poly(4)

Spracht(4)

Logitech(2)

Plantronics(2)

Maxell(1)

Mad Catz(1)

Black(2)

1(3)

1 Year(1)

0.74 oz(1)

Manufacturer's limited one-year warranty.(4)

Manufacturer's limited two-year warranty.(3)

Manufacturer's limited one-year hardware warranty.(2)

Manufacturer's limited lifetime warranty.(1)

• Computer
• Desk Phone
• Mobile phone

Desk phone(1)

ZuM BT Prestige Combo— Includes a USB dongle to use for Softphone calls using Skype or other conferencing app. Can be plugged into any USB charging source using the supplied micro-USB cable.(1)

Office(5)

Mobile; PC(2)

Laptop; Mobile; Office; Tablet(2)

Laptops; Portable Devices; Smartphones; Tablets(1)

In-ear(1)

Open(1)

H151(1)

H111(1)

CS540(1)

EncorePro 510(1)

EncorePro 520(1)

EncorePro 540(1)

ZuM Maestro Bluetooth(1)

ZuM BT Prestige(1)

ZuM BT Prestige Combo(1)

ZuM(1)

Mini-phone (3.5mm)(1)

Wireless(2)

Wired(1)

Earbud(1)

Over-the-ear(1)

Mono(2)

Stereo(1)

Boom/On-cable(1)

Boom(1)

Flexible Boom; SoundGuard Technology; Wideband Audio(3)

LED Indicator On/Off; Multi Function Button(2)

On-Cord Controls(1)

In-line Mic; Tangle-Free Flat Cable(1)

DSP Technology; Volume and Mute Controls; Wideband Audio(1)

Inline Controller; Mic Mute and Speaker Mute; Volume Up/Down(1)

Requires poly Audio Processor (sold separately).(3)

20 kHz(1)

68 kHz(1)

20 Hz(1)

0.53"(1)

350 ft(1)

981000587(1)

981000612(1)

290103(1)

AE21CDAMBL00(1)

8240OFFICE(1)

CS540(1)

CS540/HL10(1)

HW510(1)

HW520(1)

HW540(1)

HS2050(1)

ZUMBTP400(1)

ZUMBTP410(1)

ZUMWDUSB2(1)

CN(7)

MX(4)

China(2)

Mexico(1)

Black(9)

Black/Silver(2)

4.92 ft(1)

5 ft(1)

Ear Cushion(8)

Monaural(2)

Ear Cushions(1)

Binaural(1)

Ear Cushion; Earhook(1)

Adjustable Earloop; Ear Cushion(1)

Over The Head(8)

Convertible(2)

Foam(5)

Leatherette(4)

Foam; Leatherette(1)

Quick Disconnect (QD)(3)

3.5 mm(2)

Bluetooth(2)

Wireless(1)

Bluetooth; USB(1)

USB(1)

Binaural(6)

Monaural(4)

Bluetooth(4)

DECT 6.0(1)

DECT(1)

No(1)

33 ft(3)

300 ft(1)

10 h(3)

Unlimited(3)

21 h(1)