2 x Schuberth SRCS fully integrated Blue Tooth systems to fit the Schuberth C3 helmets as shown here:
http://www.schuberth.com/en/motorcycle/ ... ncept.html
One to fit helmet sizes 50 - 59 - Sold
&
One to fit helmet sizes 60-65.
Purchased 4 years ago, Firmware updated. Larger size was replaced by Schuberth 2 years ago due to USB Connectivity issues.
Both boxed and in good working order. Cost new £299.00 each.
£100.00 each plus £15.00 P&P to UK.