Hand Speaker Mic Waterproof for Handheld Radios features updated waterproof ruggedness, perfect for extreme environments like Police, Fire/Safety, and Industrial operations, to name a few. Built tough with a conventional side-mounted Push-to-Talk button for easy operation. It comes with a loud front-firing speaker and a 3.5mm earphone jack for additional headset or earpiece accessories. Another highlight is the clear noise canceling mic and the tough polyurethane coil cord. The Hand Speaker Mic is compatible with Kenwood Handheld Radios including versions like TK220, TK240D, TK270G, and TK3101 FREE TALK XL, among others. It also fits HYT, Relm and Rugged Handheld Radios.