Sena Impulse DOT Flip Up Modular Bluetooth Motorcycle Helmet with Harman Kardon Sound System - Dual Visor, Integrated Mesh Intercom, MP3 Player & Voice Dial (Matte Black, Medium) - Perfect for Long Rides, Group Tours & Hands-Free Communication

I am a little disappointed, I expected better. first let talk about the pro and conPRO:- Sound is AMAZING- Built in FM radio- Good looking Helmet with safety light (on or blinking) at the back of the helmet- Modular but feel solidCON:- Size chart is off. Err on the small side. Be aware- Charging magnetized plug is IDIOTIC. Does not stay in place. Why not use a micro USB ????????- WORSE THAN ANYTHING, the app (at least for Google, I don't have an iPhone) is WORTHLESS. Even when the helmet is pair with your phone, the app shows that the helmet is not and makes difficult if not impossible to access the setting.- The light in the back does NOT work. Is it because of the app (the only way to turn the light on and off or just malfunction from the start. I do not know. But one main feature of this helmet isn't workingI reorder a bigger size and hope that the light is working, if not it's a bummer but I will keep it just because the sound is just incredible even at high speedReturned the medium size and got a large. Fits much better. Also the light is now working and the apps seems to connect better. So updated the review to a 5 stars. Very quiet and sound is really fantastic