摩托车头盔的耳机

M100 500meters Bluetooth helmet Key features: (1) Work as an interphone, Bluetooth Headset (2) Safe auto-receiving cell phone calls; (3) Support voice dial; (4) Stereo music/audio function (transmits from A2DP enabled cell phone, MP3, GPS); (5) With single Mic software echo cancellation and noise suppression technology; (6) Maximum talking range 500 meters between two riders, real two-way wireless communication (7) Up to 120Km working speed; (8) Water-resistance and gloves friendly (9) Up to 3 riders inter- communication. (10) Frequency: 2.4GHz (11) Talk Time: Up to 7 hours (12) Standby Time: Up to 500 hours We can describe this communications kit as B (Bluetooth headset) I (intercom) M (music) This BIM can either be used for riders or for pillion.