Sena SF4

All basic functions like music, GPS or telephone are also included. Do you prefer to travel with small groups of selected friends? With the Sena SF4 you can connect up to 4 participants over a total distance of up to 1200 meters. It also offers all other functions, such as making phone calls, receiving navigation announcements from the GPS or listening to MP3 music and radio. Functions like audio overlay, accelerated recharging or the possibility to forward your music to a second person complete the whole thing.