Function / Purpose: Mounts to the motorcycle’s handlebars and provides USB power / charging to the phone while riding. The holder both secures the phone and gives electrical power.
Mounting / Design: Attaches to round handlebar tubes (via clamp) and holds phone in an adjustable grip.
Electrical / Charging: Has built-in USB charging capability, powered from the bike’s 12V system. Typically includes cable and internal wiring.
Durability / Use: Designed to withstand vibration and outdoor conditions (i.e., on-road use). The review specifically praises its robustness.