Abstract: A brake pedal sleeve with a throttle protection function and for facilitating installation of the throttle protection, including a main bracket plate, an auxiliary baffle plate, a protection rod, an anti-slip rubber pad, a brake pedal and an adjusting screw; wherein a supporting head, a square hook strip, a main baffle plate and the anti-slip rubber pad are provided on the main bracket plate; the protection rod is provided with a connecting rod, a limiting ring and a limiting screw, one end of the protection rod supporting shaft is provided with a circular head, and the protection rod supporting shaft passes through a washer, a protection rod through hole, a supporting head through hole and an inner hole of the spring ring, and the main bracket plate and the protection rod are combined together; the installation of the present disclosure is more convenient, quick and more stable.

Abstract: A multifunctional wireless ring mouse with a laser pointer function includes a mouse body, an optical sensor cover, a rotating sleeve, a finger ring, a steel loop, a wheel, a laser emission port and an optical sensor, wherein a screw guide hole, a charging socket and the laser emission port are arranged on an upper end of the mouse body, a power switch is arranged on a back side of the mouse body, the wheel, a selection button, a confirmation button, and a laser micro switch are arranged on a left side of the mouse body; a cylinder is arranged on a lower end of the mouse body; an outer groove is arranged outside the cylinder, an inner groove is arranged on an inner cylindrical wall of the cylinder, and a limit protruded ridge is arranged within the inner groove; a flange is arranged on the optical sensor cover, and limit ridge is arranged on the flange; a limit ring, a limit protruded ridge and a positioning screw are arranged on the rotating sleeve; a through groove is arranged on the finger ring, and the st