Main PCB for FX Massage Control Box (ONLY)The Main PCB (Printed Circuit Board) is the central control unit for the FX Pedicure Massage Chair, designed to manage and coordinate all chair functions with precision and reliability. Engineered for seamless integration, this high quality board controls massage features, seat adjustments, heat, vibration, water functions, and safety systems. Features Compatible with FX Series Pedicure Massage Chairs Controls massage programs, recline, vibration, and