Note: This an upgrade only and not for individual sale.
 
	
Bluetooth 4.1 ( Bluetooth 4.0 to Bluetooth 4.1 is based on firmware upgrade, not hardware ) and universal intercom keeps you in touch up to 2.0 km (1.2 miles)
	
Crystal-clear HD audio with Sena's Advanced Noise Control to block ambient noise
	
Audio Multitasking technology allows you to have an intercom conversation while simultaneously listening to music, FM radio, or GPS
	
Motion sensor technology lets you pair Bluetooth devices with a shake of the 20S
	
Intuitive control with hands-free voice commands