Bluetooth Wireless Motorcycle Helmet Headset HM508 without intercom AND FM function

Bluetooth Wireless Motorcycle Helmet Headset HM508  without intercom and FM function

1.bluetooth ONLY, No FM Radio and without intercom function.
2.Receive and reject phone call,call out and hang up.
3.Auto answer phone call.
4.Stereo music/audio function(transmits from A2DP enabled cellphone/MP3/GPS)
5.Could be connected with GPS.
6.Freely switch between Phone call,Music.
7.DSP Noisy supression technology and Mic echo cancellation to ensure high quality sound
even in high speed.
8.Water-resistance,all weather-Perfectly Work!
Advanced A2DP & EDR bluetooth profile.