Caroo Covert Acoustic Tube Ear piece Headset with PTT for Midland 2 pin LXT 600 560 535 500 etc. 1.Midland avph3,compatible with all Midland radios midland lxt600,avph3,LXT500VP3. 2.Works with All Midland GMRS/FRS Radios including X-TALKER series (T31VP, T51VP3, T55VP3, T61VP3, T65VP3, T71VP3 and T75VP3) 3.Midland avph3 headset,suit for midland avph3,midland lxt600,midland lxt500,lxt and so on,more styles please see the description. 4.Provides excellent durability, reliability and performance in low-profile environment. 5.Excellent for use in police, military, nightclubs, bars, paintball, security,restaurants, hotels, bouncer, warehouses, and noisy environments.