Klein Electronics Valiant-K4 Remote Shoulder Speaker Microphone. The compact shoulder speaker microphone has a and swivel clothing clip. Simply insert connector into walkie talkie and clip remote speaker microphone to uniform. Once connected to two-way radio, audio is redirected from two-way radio speaker to remote speaker microphone. Just press Push-To-Talk on microphone and begin communicating. Hear two-way radio audio transmissions loud and clear through the high output microphone speaker. Ruggedized cable and durable molded strain reliefs provide added strength when operating in the field. Be ready for any situation with the Klein Electronics Valiant professional remote shoulder speaker microphone. Ideal for security, hotels, casinos, police, law enforcement, construction, schools, events, and more.