【Selling until December 3rd as I'm decluttering!] Instant purchase ◎ New, unused item Brand: Wantek Color: Black Headphone Type: On-Ear Connectivity: Wired Included Components: Headphones Target Age: Adult 【Fixed Phone Suitable for Specific Models】 Please refer to the list of compatible phones in the description. Compatible with Cisco: 7931G, 7940, 79406, 7941, 7941G, 7942, 7942G, 7945, 7945G, 7960, 7960G, 7961, 7961G, 7962, 7962G, 7965, 7965G, 7970, 7970G, 7971, 7971G, 7975, 7975G, 6821, 6841, 6851, 6921, 6941, 6945, 6961, 7811, 7821, 7841, 7861, 8811, 8841, 8845, 8851, 8861, 8941, 8945, 8961, 9951, 9971. Compatible with Plantronics: M10, M12, M22 & MX10. [Not applicable for mobile phones and computers] 【Clear Calls】 Equipped with the latest noise-canceling microphone, it significantly reduces ambient noise and breathing sounds, allowing the other party to hear the sound better. The headphone speaker adopts the latest chip, suppressing unpleasant sounds, effectively protecting hearing, and conveying the other party's voice better. 【Comfortable Feel】 Ultra-lightweight wired hands-free RJ9 office phone headset, the ear pads use high-density sponge, so your ears won't hurt even if you wear it all day. The headset adjusts the headband to fit your head size, allowing you to adjust it to your optimal position. 【Super Durable】 Precision design, high-quality plastic, unibody headband structure, and a high-quality microphone make this call center phone headset with an RJ9 jack more robust and durable. Suitable for call centers, hospitals, offices, homes, insurance, businesses, schools, banks, and telephone counseling services.