1With this handset, you can clip it to your shirt and start using the walkietalkie without using your hands. 2It has a builtin microphone in the PTT switch, and the sound quality is clear and distortionfree. 3Comes with a soft ear plug sleeve that fits tightly to your ears while providing comfortable wearing. 4Largesize stylish PTT button design, good hand feeling and convenient operation. 5It is widely used by police, security, hospitals, restaurants, hotels and other staff.