An apparatus for monitoring blood pressure of a user comprises a clip having a base with two side members adapted to releasably receive a portion of a body of the user therebetween with an adjustable pressure pad mounted to one of the two side members, spaced apart from the other of two side members by a separation distance, a magnetic field sensor mounted to one of the two side members with a magnet mounted to the other of the two side members opposite to the magnetic field sensor and spaced apart by the separation distance, a motor operably connected to the adjustable pressure pad wherein the separation distance is selectably adjustable by the motor.