SENA:

SENA compare features page
http://www.rka-luggage.com/A46%20SEN...0for%20all.jpg

SENA “Does it work on my Helmet page”
http://www.rka-luggage.com/A46%20SEN...tmentPage.html

Remember RKA as ALL the SENA products you could want!

Richard
Features Chart for all.pdf