SUNDELY Over-Head Earpiece/Headset Boom Mic PTT-VOX Switch for Garmin Rino GPS /2 Two Way Radio Walkie Talkie Combo 1-pin

Rhyno 750 in 755 t offer FRS in gmrs two-way communication so you can rely on the ability to stay in touch with other compatible devices to access and manage your radio settings swipe up from the bottom of the screen to open the app drawer select radio you can only communicate with others that are on the same channel as you to select a channel start from the radio app and select channel press the plus or minus key to change your channel when you reach the correct channel select back to return to the previous menu you can also set a squelch code to filter calls from other users on the same channel so you only receive transmissions from the radios you want to hear from the radio app select code CTC SS or code DCs you can adjust the squelch code using the plus and minus keys press back when you're done then just press and hold the PTT button on the left side of the device to transmit a mes