Product Review

Dual ear sides 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 adapter 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. Not compatible with other brand like Polycom Avaya Nortel, etc.