• Walkie talkie headset compatible with CXT195 CX112 CXT390 CXT545 CXT531 CXT135 CXT145 PX655 etc.NOT compatible with Motorola T series and 3.5mm earpiece、theatre earpiece！NOT compatible with Marine radio
• CXT195 headset with mic ptt,design set to flexible fit right or left ear useful,wear comfortably
• PX655 G shape earpiece with PTT(Push To Talk) button with built-in line remote mic microphone
• CXT145 earpiece,clip this hands free earpiece onto your shirt, free your hands,easy to talk
• CX112 earpiece excellent for use in FBI, Bodyguard, police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, and noisy environments