Premium Luxury Headset Headphones + Adjustable Volume + Mute Control for Cisco IP Telephone 7931 7940 7960 7970 7962 7975 7961 7971 7960 M12 M22 and All 79xx Series

Premium high quality sound, luxury design headset headphone with mute + volume control and quick disconnect cable, tangle-free coil cord can stretch over 10FT long and completed with RJ12 headset / handset modular plug. This headset will not require any additional adaptor nor amplifier. They plug directly into the headset port at the back of your telephone. Compatible with: Cisco System Cis IP Phone 7940, 7940G, 7941, 7941G, 7942, 7945, 7960, 7961, 7960, 7960G, 7931G, 7965, 7970, 7971, 7975 PLANTRONICS M10, M12, M22 & MX10 Vista. And Cisco 6900 IP series: 6921, 6941, 6945, 6961. Cisco 8900 series: 8901, 8911, 8941, 8945, 8961. Not compatible with Cisco Spa phone series.