[Product Information]

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SUPERB SOUND QUALITY: Wideband Sound telephone headset enables natural listening experience， features noise canceling microphone to reduce background noise， Acoustic Shock Protection to protect your hearing.
MOST COMFORT HEADSET: Ultra lightweight office RJ headset with adjustable headband to fit all head sizes， a flexible mic boom to suit your preference， Soft silicon T-pad and high quality ear cushion enhance all-day wearing comfort.
ULTRA DURABLE: Precision design， quality plastics， unibody headband construction， flexible metal mic boom make this call center headset sturdier and more durable. Compete with Plantronics or Jabra heavy duty Headsets for Call Center， Telemarketing & Office.
SEE MORE COMPATIBLE PHONE LIST IN DESCRIPTION.Direct connect landline telephone headsets suitable for SOME SPECIFIC MODELS from NEC Aspire Dterm Nortel Norstar Meridian Plantronics Polycom ShoreTel Siemens ROLM Toshiba Zultys Packet8 NEC:Aspire Electra Elite IPK Dterm Series i DSX DTL DTP DTR DTU SERIES DT300 Northern Telecom (Nortel Norstar):1120E IP 1140E IP 1150E IP i2002 i2004 1210 1220 1230 2465 2564 NTZK23AA AB: M2008 M2216 M2616 M3903 M3904 M3905 M7208 T7208 M7308 M7310 M7316
Plantronics:A100 S10 S11 S12 S50 T10 T20 T50 T100 T110 SP-02 SP-04 SP-05 A100 T50 T100 Polycom:SoundPoint 300 301 335 430 450 500 501 550 600 601 650 670 CX300 CX500 CX600 CX700 VVX300 VVX310 VVX400 ShoreTel:IP100 IP212 212K IP230 IP265 IP530 IP560 560G IP565 IP565G AVAYA/Lucent: 4406D+ 1416 3904 3905 7208 7316 9404 9406 9408 9504 9508 2410 2420 5410 5420 5610 5620 5621 5625 DT1 DT3 DT5 QE4610 4610 4610SW 4612 4620 BUT CAN NOT WORK WITH AVAYA 16XX ，96XX SERIES