EMPIRE 3.5mm Hands-Free Black Stereo Headset for Kyocera Hydro XTRM Specially designed stereo headset for Kyocera Hydro XTRM. Amazing sound quality. Experience your favorite tunes and conversations like never before! Silver plated plug ensures solid connection. Never worry about signal loss. Built in microphone produces crystal clear voice reproduction. EMPIRE is a registered trademark with the USPTO.