Sena M1 & M1 EVO Smart Bike Helmet with Bluetooth & Mesh Intercom - Lightweight Mountain Cycling Helmet for Road & Trail Riding - Perfect for Group Rides & Adventure Cycling

About this item Built-in audio communication system allows you to speak to fellow cyclists and listen to music Connect with up to three other riders for 4-way Bluetooth Intercom With sun visor attached: 8.93 x 12.87 x 6.69 inches, without sun visor attached: 8.93 x 11.33 x 6.69 inches Bluetooth Intercom effective range: 900 meters / 980 yards. Bluetooth connectivity pairs to your smartphone so you can access features on-the-go Safety and security with an integrated tail light and a comfortable and secure design. Sizing runs small › See more product details

Built-in audio communication system allows you to speak to fellow cyclists and listen to music

Connect with up to three other riders for 4-way Bluetooth Intercom

With sun visor attached 8.93 x 12.87 x 6.69 inches, without sun visor attached 8.93 x 11.33 x 6.69 inches

Bluetooth Intercom effective range 900 meters / 980 yards. Bluetooth connectivity pairs to your smartphone so you can access features on-the-go

Safety and security with an integrated tail light and a comfortable and secure design. Sizing runs small