https://www.amazon.com/Satechi®-Bluetooth-Button-iPhone-Samsung/dp/B00RM75NL0 https://www.amazon.com/Satechi®-Bluetooth-Button-iPhone-Sams... This is the one y

https://www.amazon.com/Satechi®-Bluetooth-Button-iPhone-Samsung/dp/B00RM75NL0 https://www.amazon.com/Satechi®-Bluetooth-Button-iPhone-Sams... This is the one you want. I'm on my second now from losing the first. It comes with a handlebar mount but mine were too thin. I layered up some electrical tape and the holder works even at high speeds.