Brand: Callez

This phone headset is a 8-Pin RJ45 Crystal Jack Headset, it is ONLY compatible with some specific landline telephone models with RJ45-8P4C headset jack, NOT for Smartphones and Computers. (2.5mm plug, 3.5mm plug or USB plug are NOT included in the package)

Lightweight QD to RJ45 Headset enables you to walk away without removing the headset and keep call still remains.

Please read the compatibility information carefully before purchasing. For other phones, please consult us for Compatibility Guide or Advice.

Compatible Landline Phone List: (including but not limited)

Mitel: 5370, 5370 IP, 5380, 5380 IP, 7434 IP, 7444 IP, 6771, 6773, 6775, 6773 IP, 6775 IP, 6771, 6773, 6775, 6773 IP, 6775 IP, 6865i, 6867i, 6869i, 7434IP, 7444IP

Aastra: 5370, 5370 IP, 5380, 5380 IP, 7434 IP, 7444 IP, 6771, 6773, 6775, 6773 IP, 6775 IP, 6771, 6773, 6775, 6773 IP, 6775 IP, 6865i, 6867i, 6869i, 7434IP, 7444IP

NOT compatible with Aastra/Mitel models with RJ9 connector (4 pin).

Siemens/Unify: OpenStage 30 (T/G), OpenStage 40 (T/G), OpenStage 60 (T/G), OpenStage 80 (T/G), Unify OpenScape CP200, CP205, CP400, CP600, CP600E, IP 35G Eco, IP 55G

NOTICE: Not for Siemens/Unify: OpenStage 5, 15 (G) and 20: These devices do not have a headset jack. Innovaphone: IP230, IP240, IP241



• ?RJ45 Jack Headset Compatibility?This Office Phone Headset is ONLY COMPATIBLE with some phone models with RJ45-8P4C headset jack from Mitel/Aastra 5370 IP, 5380 IP, 6865i, 6867i, 6869i, 6771, 6775, 6773 IP, 6775 IP, 7444 IP, Siemens/Unify OpenStage 30 (T/G) 40 (T/G) 60 (T/G) 80 (T/G), Unify OpenScape CP200, CP205, CP400, CP600E, IP 35G Eco, IP 55G, Innovaphone IP230 IP240 IP241 and more specific landline phone models listed in description. NOT for phones with RJ9-4P4C headset jack.
• ?Crystal Clear Calls?This high sound quality Phone Headset with Microphone enables clear and natural communication, features Noise Cancelling Microphone to reduce background noise. Acoustic Shock Protection Circuit to protect your hearing. Mono headset can be worn on either side and you can still communicate with your colleague while wearing it.
• ?Ultra Comfort?Lightweight Wired Hands-free Telephone Headset for Desk Phones with adjustable headband to fit all head sizes, high quality and soft leatherette ear cushion enhances all-day wearing comfort. Professional Mic Mute/Volume Control built in. Ideal for Call Center, Office, Home, Business, Telephone Counselling Services.
• ?Quick Disconnect Cord & Super Durable Design?A QD (Quick Disconnect) to RJ45 plug-and-play makes the connectivity to landline phones at ease and enables you to walk away from the desk without taking headset off. Precision design, quality plastics, unibody headband construction, flexible mic boom makes this call center headset sturdier and more durable.
• ?2-Year Warranty & Compatibility Notes?Callez offers 45 days money back & 2-year worry-free guarantee. THIS TELEPHONE HEADSET DOESN’T WORK FOR SMARTPHONES AND COMPUTERS. ONLY COMPATIBLE with some specific phone models listed in description (include but not limited). For Other Phone Models, Pls contact us for Compatibility Guide or Advice.