The Sena R2 Cycling helmet!

COMMUNICATION TECHNOLOGY MEETS THE OPEN ROAD
The R2 is an aerodynamic Smart Cycling Helmet designed for road cyclists. The R2 features a Bluetooth Intercom communication system for rider to rider conversation, plus smartphone pairing for music, GPS, cues from fitness apps, and more. The R2’s impressive feature set is a nod to Sena’s original R1 smart helmet, but the R2 takes things to the next level with a new design and an integrated taillight. The R2’s features include:
.Built-in speakers and microphone
.Bluetooth® Intercom
.Smartphone pairing
.Integrated LED taillight
.Safety certified