Wireless hands free helmet mobile phone headset has low frequency radio links from microphone and ear piece to portable communication unit

摘要

A wireless hands free motor cycle helmet (10) headset has solar or other battery (15) powered low frequency radio transmit receive (21, 31) modules linking the jaw protector (12) or telescopic rod mounted microphone (23) and adjustable helmet cheek protector (11) holder mounted earpiece (22) to a portable communication unit (30).