not state of the art bt headset but can confirm is in good working order, only slack part is that you have to stuff is in your ears rather than clinging to your ears. Thats why it has a matching neck strap, so you can hang it around the neck.
I recently upgraded to stainless steel piping/walbro fuel pump however my actuator kong twice resulting over boost.Recently my con rod bengkok and piston damaged.
Guyz,,,, im driving wira aeroback 1.3cc... currently overhaul it and change the piston and clutch 1.6... and upgrade to disk brake too, so my 13 inch sport rim cnt fit it as the disk slightly bigger... so i wanted to...