Abstract: The invention is about a step-less speed regulating oscillating fan, relates to the technical field of fans, and includes a fan body and a base; the fan body is installed on the base, a motor is fixedly installed on the fan body, and blades are fixedly installed on an output shaft of the motor; a battery is installed inside the base, a PCB main board is installed inside the base, an encoder is installed on the base and is used to control the revolution speed of the fan, a rotary knob is fixedly installed on a rotary part of the encoder, and speed control of the fan can be realized by gently turning the rotary knob and using the encoder to control the output revolution speed of the motor, limitation of gear positions and mechanical rotary knob are avoided, and the purpose of saving efforts can be realized.

Abstract: A fan with an easy-to-assemble clamping device includes a fan main body, a supporting framework, and a clamping device. The clamping device includes a first clamp body rotatably connected to the supporting framework; a second clamp body rotatably connected to the first clamp body, a torsional spring and a main body. One side of the second clamp body facing to the first clamp body is provided with a limiting slot. The torsional spring is plugged between the first clamp body and the second clamp body. A first free end of the torsional spring is abutted against a pressing end of the first clamp body, and a second free end of the torsional spring is abutted against a pressing end of the second clamp body. The main body of the torsional spring is abutted against a side wall of the limiting slot.

Abstract: The invention discloses a hand warmer step-less regulating circuit, and relates to the field of hand warmer regulating circuits; the hand warmer step-less regulating circuit comprises a comparing chip, pin 2 of the chip is connected with an NTC temperature sensor, the NTC temperature sensor is connected with a power supply VCC through resistor R16, pin 8 of the chip is connected with the power supply VCC, the power supply VCC is connected with light-emitting diode D3, and light-emitting diode D3 and the power supply VCC are connected with resistor R13 in series; pin 5 is connected with an output end of the NTC temperature sensor; by arranging the slide rheostat or an encoder, any temperature in a required area can be reached through heating, and any temperature required by a user can be maintained to realize a better temperature experience.

Abstract: The invention is about a foldable portable fan, which relates to the technical field of a fan, including an entity; the bottom of the entity is fixedly arranged with a connecting part, the connecting part is connected with a rotating part, one side of the rotating part is connected with a bolt, one end of the bolt is connected with a bolt column; the fan can conveniently connect the entity and the base together by setting a connecting part, a rotating part, a bolt and a bolt column, avoiding the use of screws, and the connection is very convenient; in addition, the entity can be folded between the base, which can save packaging materials, occupy less transportation space and save costs in logistics packaging; and the entity can be matched with different bases, thus providing higher selectivity and more flexible sale.

Abstract: The present disclosure discloses a detachable earphone and a headband with earphones. A detachable earphone comprises an earphone body and an installing base, one side of the earphone body is provided with a clamping base on the same body, one side of the installing base is provided with an installing ring that matches with the clamping base, the clamping base is clamped on the side wall of the installing ring, the outer side of the clamping base is provided with an L-shaped neck, a clamping block is fixedly installed on the side wall of the installing ring, and the other side of the installing base is provided with a conical clamping ring protruding to the inside of the installing base; the present disclosure is provided with an installing base, a clamping base, an installing ring, an L-shaped neck and a clamping block.

Abstract: The present disclosure discloses a foldable LED light, comprising: a mounting base and a first mounting plate rotatably provided in the mounting base, wherein, the first mounting plate is provided with two mounting holes at an end away from the mounting base, the mounting holes are rotatably provided with a second mounting plate, wherein, the second mounting plate is fixedly provided with a plug-in shaft at an end, the plug-in shaft is inserted into the mounting hole, the plug-in shaft is a cavity structure with openings at both ends, the plug-in shaft is provided with a plurality of openings in a side wall, and a bump is fixedly provided on outside of the plug-in shaft, the plug-in shaft is plugged with a column at an upper end.

Abstract: The present disclosure discloses a detachable earphone and a headband with earphones. A detachable earphone comprises an earphone body and an installing base, one side of the earphone body is provided with a clamping base on the same body, one side of the installing base is provided with an installing ring that matches with the clamping base, the clamping base is clamped on the side wall of the installing ring, the outer side of the clamping base is provided with an L-shaped neck, a clamping block is fixedly installed on the side wall of the installing ring, and the other side of the installing base is provided with a conical clamping ring protruding to the inside of the installing base; the present disclosure is provided with an installing base, a clamping base, an installing ring, an L-shaped neck and a clamping block.