Abstract: An optical heart rate earphone includes a front housing, a circuit board assembly, a rear housing assembled to a rear end of the front housing, and a light pipe. The front housing has a sound tube. At least one portion of the sound tube forms at least one light transmission gap. The circuit board assembly includes a circuit board and at least one optical sensor. The at least one optical sensor is corresponding to the at least one light transmission gap. The light pipe has a circular base. At least one portion of a periphery of the base protrudes rearward to form at least one transmittance slice. The light pipe is assembled to the sound tube. The at least one transmittance slice is wedged in the at least one light transmission gap.

Abstract: An optical heart rate earphone includes a front housing, a circuit board assembly, a rear housing assembled to a rear end of the front housing, and a light pipe. The front housing has a sound tube. At least one portion of the sound tube forms at least one light transmission gap. The circuit board assembly includes a circuit board and at least one optical sensor. The at least one optical sensor is corresponding to the at least one light transmission gap. The light pipe has a circular base. At least one portion of a periphery of the base protrudes rearward to form at least one transmittance slice. The light pipe is assembled to the sound tube. The at least one transmittance slice is wedged in the at least one light transmission gap.

Abstract: An air conditioner having an absorption unit with a box and a fan unit is revealed. The box is disposed with a ventilation unit and loaded with absorbing material used as desiccant/deodorant. An exhaust hole of the fan unit is communicated with the ventilation unit of the absorption unit. For removing moisture or odors, air outside is drawn by the fan unit and blown into the absorption unit by the ventilation unit. After moisture or pollutants being absorbed by the absorbing material, the air is exhausted by through holes of the box. The fan unit is switched to a heating mode when the absorbing material is saturated with moisture or pollutants. Then air outside is heated by an electric heating unit of the fan unit and is delivered to the absorption unit for drying the absorbing material or baking out the pollutants. Thus the absorbing material is reactivated.

Abstract: A dehumidifier is revealed. A moisture-absorbing package comprises a pouch made of a fabric material having good breathability and hygroscopic substances filled in the pouch. A humidity-indicating unit made of a humidity sensing agent is mounted on an outer surface of the pouch, whereby upon saturation of water vapor as absorbed by the hygroscopic substances in the pouch, the humidity-indicating unit changes the color for indicating the timing of regenerating the hygroscopic substances. When the moisture-absorbing package is saturated with moisture, it is put in a box, and the box is put at an air outlet of a blowing device. The air blown from a blower of the blowing device is heated by an electric heating element and blown to the box for drying the moisture-absorbing package in the box to regenerate it. Then, the moisture-absorbing package removed from the box is put in different space to absorb moisture independently.

Abstract: A dehumidifier is revealed. A moisture-absorbing package comprises a pouch made of a fabric material having good breathability and hygroscopic substances filled in the pouch. A humidity-indicating unit made of a humidity sensing agent is mounted on an outer surface of the pouch, whereby upon saturation of water vapor as absorbed by the hygroscopic substances in the pouch, the humidity-indicating unit changes the color for indicating the timing of regenerating the hygroscopic substances. When the moisture-absorbing package is saturated with moisture, it is put in a box, and the box is put at an air outlet of a blowing device. The air blown from a blower of the blowing device is heated by an electric heating element and blown to the box for drying the moisture-absorbing package in the box to regenerate it. Then, the moisture-absorbing package removed from the box is put in different space to absorb moisture independently.

Abstract: An air conditioner having an absorption unit with a box and a fan unit is revealed. The box is disposed with a ventilation unit and loaded with absorbing material used as desiccant/deodorant. An exhaust hole of the fan unit is communicated with the ventilation unit of the absorption unit. For removing moisture or odors, air outside is drawn by the fan unit and blown into the absorption unit by the ventilation unit. After moisture or pollutants being absorbed by the absorbing material, the air is exhausted by through holes of the box. The fan unit is switched to a heating mode when the absorbing material is saturated with moisture or pollutants. Then air outside is heated by an electric heating unit of the fan unit and is delivered to the absorption unit for drying the absorbing material or baking out the pollutants. Thus the absorbing material is reactivated.