Sena U1 E Bike Smart Helmet with Mesh 2.0 Intercom (Matte Gray, L)

Enhanced Mesh 2.0 Intercom for reliable rider to rider communication Rear LED for better visibility at night Advanced Noise Control for clear audio in noisy or windy environments IPX4 water resistant protection against water splashes from any direction Convenient over-the-air firmware updates. NTA (E-Bike helmet certification)