Bluetooth Headset/Intercom for motorcycle/bike/skii helmet Main Feature: 1. For 2 riders talking distance: up to 500m , 2. Cell Phone up to 10m 3. Bluetooth Version 4.0 CSR BC05 chipset 4. Charging time 3hours, 5.Talking time 8 hours, Standby time 300hours. 6.Support pairing with FDC-01/02VB, FDC-03, KIE 7. Support GPS playing, through the transmission over A2DP to enjoy the music through mobile phones or connected GPS 8. Listenning phone MP3 music AVRCP play, pause, previous song, next song played