Name:Freedconn Bluetooth Motorcycle Helmet Color:Dumb black,yellow,black,white,blue,red Maximum Support:8 Riders Talking Time:Up to 12 hours Certificate:BQB CE RoHS FCC DOT Bluetooth:A2DP&EDR Bluetooth4.1 Working Distance:1500M Special Function:Can Connect 2 Cellphones At the Same Time Great For:Motorcycle,Skiing,ATV,Snowmobile Show More