Abstract: A remote control ball assembly includes a housing, an actuating device having a circuit board disposed in the housing and having a processing device and a signal receiving device attached to the circuit board, two motors each include a wheel attached to a spindle and contacted with the housing, and a radio transmitter includes another processing device and an angle detector and a signal emitting device attached to another circuit board for detecting a status of the radio transmitter and for emitting the status signal to the signal receiving device, which then actuates the motors and the wheels to operate or to move the housing on land and on water without being operated by the fingers of the user.

Abstract: A headband protects a woman from injury to the skin adjacent to the hairline during hair treatment. The headband is made of a flat, heat-insulating, moisture-absorbing material and its top edge is arcuate in the region covering the temples and forehead of the wearer, protruded in the region covering the ears, and substantially straight in the region covering the back of the neck, so that the headband follows the contour of the hairline when secured on the head of the wearer.