... , GPS), 1 only to the rear portion of the helmet Bluetooth headset, a total of 4 device, the otherCable connection 1 way ... -01, 1 only to the rear portion of the helmet Bluetooth headset, the other a wired connection 1 way device.Two, implement ... .motorfans.com.cn/bbs/f_207.htm Vimoto-V5s motorcycle helmet Bluetooth headset V5 upgrade edition Walkie talkie accessories