Bought from here https://www.dx.com/p/bt-interphone-hand ... GNtu1UzaUk Total cost was about $AUD90 including bank currency fees
Made by http://www.btinterphone.com/05-chanpin/ ... asp?id=145
Main function:
1,Auto-receiving cell phone calls
2, up to 500m bluetooth distance
3,inter-communication: up to 3 riders
4,mp3/GPS/mobiles
5,Up to 8 hours talk time
Features:
Auto-receiving cell phone calls
Supports voice dial
Stereo music/audio function (transmits from A2DP enabled cell phone, MP3 and GPS)
With single Mic software echo cancellation and noise suppression technology
Maximum talking range 500m between two riders and real two-way wireless communication
Water-resistant and gloves-friendly
Specifications:
Frequency: 2.4GHz
Working speed: up to 120kph
Inter-communication: up to 3 riders
Talk time: up to 8 hours
Standby time: up to 500 hours
