(TrendHunter.com) The SENA M1 & M1 EVO smart Bluetooth helmets are a range of safety equipment for avid cyclists and adventurers alike that will enable them to stay connected when heading out on their next... (TrendHunter.com) The SENA M1 & M1 EVO smart Bluetooth helmets are a range of safety equipment for avid cyclists and adventurers alike that will enable them to stay connected when heading out on their next...