FREE+ connection with non - branded devices

FREE+ Mesh networking and intercom connection

FREE+ basic functions demonstration

FREE+ installation on helmet tutorial

FREE+ unboxing and button accessories introduction

Operation guide for pairing two sets of KY Pro Bluetooth

Operation guide for pairing 4 sets of KY Pro Bluetooth

Operation guide for pairing with third-party Bluetooth Pro

KY pro and mobile phone pairing and FM operation guide

KY Pro operation guide for replacing rotating parts

Ky-pro operation guide for half helmet installation

Ky-pro operation guide for helmet installation