Panasonic Flexible Microphone/KX-TCA430 Telephone Headset for Panasonic Dect 6.0 Phones Connection Standard 2.5mm Microphone Adjustable noise-canceling boom Hands-free Usage Yes Reversible Yes 4-ft Cord Yes Volume Control Yes Mute Yes Telephone Headset for Panasonic Dect 6.0 Phones Connection Standard 2.5mm Microphone Adjustable noise-canceling boom Hands-free Usage Reversible Volume Control