Quick Disconnect 2.5mm Jack Headset for Professional Jobs Works ONLY 2.5mm Headset Jack Make sure if your Phone has a 2.5mm Headset Jack before purchase. For Modula Type (called RJ9) Jack, Refer to the headset below chart Bundle Package Package includes A Headset, built Quick Disconnect A Quick Disconnet Phone Adapter to 2.5mm Jack of a Desk Phone or a Cordless Phone Handset Quick Disconnet Benefit The QD connection, essential connector for professional headsets, also enables you to place a call on hold by simply disconnecting the headset at the QD during a call. It enables you to walk away from the telephone without having to remove the headset COMPATIBLE PHONE LIST: (Include but not limited, Works with Standard 2.5mm Hole Shape Jack) NOT Computer/Smartphone 3.5mm jack. Compatible with Cisco Linksys: CIT200, CIT300, CIT310, CIT400 SPA921, SPA922, SPA941, SPA942, SPA962 Cisco SPA: 303, 501G, 502G, 504G, 508G, 509G, 525G 512G 514G,525G2 Cisco: 7985 Unified IP phones Compatible with Polycom: IP320, IP321, IP330, IP331, SoundPoint Pro SE-220 SE-225 Compatible with Grandstream: GXP-2010, GXP-2020, GXP-2100, GXP-2110, GXP-2120, GXP-280, GXP-285, BT200, BT201 GXP-2000(Version 1.0 higher with 2.5mm Headset Socket) Compatible with Panasonic: KX-NT136, KX-NT343, KX-NT346, KX-NT366 ,KX-T 7603, KX-T 7625, KX-T 7630, KX-T7633, KX-T 7636, KX-T 7730, KX-T 7735 KX-TG6071B, KX-TG6072B, KX-TG6073B, KX-TG6074B,KX-TCA60 Compatible with CORDLESS DECT Phones with standard 2.5mm Headset jack. At noisy call center or office, INNOTALK Changer Pro headset is the great choice. Noisy reduction of microphone to decrease background noise delivers clear, noise-free conversation. Flexible rubber microphone boom arm by Elastomer Sheathed metal spring pipe for optimal positioning from the mouth optimizes sound, so your callers will hear conversations more clearly. Wideband frequency receiver with Noise reduction for a high quality hearing sound is the best for at call center or noisy office. Metal finish looks with Chrome plating decoration ring/plate with Rubber spray on the headband and receiver housing. Durable and adjustable wearing style, Soft headband T-bar for a comfortable wearing. 2.5mm Monaural Phone Headset 2.5mm Binaural Phone Headset RJ9 Monaural Phone Headset RJ9 Binaural Phone Headset Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.1 out of 5 stars 34 4.1 out of 5 stars 34 — 3.1 out of 5 stars 6 Price $74.00$74.00 $69.00$69.00 $65.00$65.00 $69.00$69.00 Jack Type 2.5mm 2.5mm RJ9 RJ9 Compatible Phone Models Panasonic, Vtech, Polycom ip32x ip33x, Cisco SPA Panasonic, Vtech, Polycom ip32x ip33x, Cisco SPA Polycom any VVX, Cisco, Avaya Polycom any VVX, Cisco, Avaya Speaker Single Both Single Both Noise Cancel Mic ✓ ✓ ✓ ✓