Wireless non-stationary communication devices, namely, wireless headsets for helmets used for communicating via mobile phones and intercoms, and listening to music via MP3 players, and listening to information provided by GPS devices.
Wireless non-stationary communication devices, namely, wireless headsets for helmets used for communicating via mobile phones and intercoms, and listening to music via MP3 players, and listening to information provided by GPS devices.
Wireless non-stationary communication devices, namely, wireless headse...