raddy rf28 Radioddity Family Stick the provided hook inside

Stick the provided hook inside of the helmet near the ear position

You can keep the environment in your desired temperature range

Please also note that extended transmit time may lead excessive heat

Frequency/ID displayed on the screen: You can choose whether to display the frequency or ID on the screen via keypad setting

- Emergency Alarm + Low Voltage Alert As Transmitter:

raddy rf28 Radioddity Family Stick the provided hook insideThink of the old movies of the 1990s, some familiar scenes might come into your mind, a whole family or a crow of people sit around the FM radio and listen to the state news or football baseball game. When it comes to the other scenes, pick up the hit pop music station to discover the top new music while sitting around the table or doing homework, reading books. You might notice that FM radio feature has already disappeared from the phone nowadays,