ProMaxPower's single earpiece headset features a sleek, low-profile design that sits comfortably behind the head. The soft single-side left earmuff provides high quality sound output while the sturdy boom microphone enables superb voice-transmission. The Push-to-Talk button is conveniently place in-line and can quickly be activated with a simple click. Our headset is lightweight yet durable, making it the perfect choice for all professional environments such as security & surveillance, dispatching, warehouse use, and more.Compatible with various Hytera radios:PD Series:PD700, PD702, PD705, PD708, PD750, PD780, PD752, PD780, PD782, PD785G, PD788, PD792 EX, PD980, PD982PT Series:PT560, PT580, PT790 EX