BT-S2 Motorcycle Helmet Wireless Bluetooth Earphone Waterproof Handsfree Interphone Walkie talkie with FM Radio

1.Works as a hands-free headset for mobile phones up to 8 meters conversation1000 meters between two drivers
2.Fits any type of motorcycle helmet
3.Up to 8 hours of talk time
4.Up to 300 hours standby
5.Secure automatic reception of mobile phone calls
6.Support voice dial, last dial number
7.Music control via AVRCP: forward, backward, play, pause
8.With DSP echo cancellation and noise suppression technology