Abstract: An audio device capable of optimizing operation time of a system and a system connecting a plurality of the audio devices to form the system to optimize the operation time are provided. On the other hand, a method for optimizing operation time of a system connected to audio devices is provided. The provided audio device, system, and method for operation time optimization can achieve increase playback time of the entire system by using power consumption condition information of each device as a reference.

Abstract: Disclosed is an electronic device, including: a switch element; and a memory card slot suitable for receiving a memory card. The memory card slot includes a power supply pin and a detection pin, and the power supply pin of the memory card slot being connected to a power supply through the switch element. The memory card slot has a first configuration where a memory card is received and a second configuration where there is no memory card. In the first configuration of the memory card slot, the detection pin of the memory card slot is in a grounded state, and in the second configuration of the memory card slot, the detection pin of the memory card slot is in a non-grounded state. The detection pin of the memory card slot is connected to the switch element and the detection pin in the grounded state can turn on the switch element.

Abstract: A charging device for wearable device and wearable device assembly is provided. The charging device comprises: a power source module; a controller that is in communication with the power source module; a switch charger electrically connected to the power source module and adapted to receive a voltage output from the power source module and provide a voltage output to charge a battery in the wearable device via a power connection between the charging device and the wearable device. The wearable device assembly comprises: a charging device; a wearable device comprising a battery, wherein the charging device is adapted to charge the battery of the wearable device via a power connection between the charging device and the wearable device.

Abstract: A charging device for wearable device and a wearable device assembly are provided. The charging device comprises: a power source; a DC-DC converter electrically connected to the power source, and adapted to receive input from the power source and provide a voltage output; a controller that is in communication with the DC-DC converter; a linear charger electrically connected to the DC-DC converter and adapted to receive the voltage output from the DC-DC converter and provide a voltage output to charge a battery in the wearable device via a power connection between the charging device and the wearable device. The wearable device assembly comprises: a charging device; a wearable device comprising a battery, wherein the charging device is adapted to charge the battery of the wearable device via a power connection between the charging device and the wearable device.

Abstract: An earphone is provided. The earphone comprises a housing defining an audio opening, the audio opening is configured to be positioned within or facing toward an ear canal of a wearer in an wearing position of the earphone; a speaker driver positioned within the housing, the speaker driver comprising a diaphragm facing toward the audio opening, defining an audio channel between the diaphragm and the opening; a body temperature measuring module positioned within the audio channel, the body temperature measuring module comprising a reflector and a temperature sensor, the temperature sensor is configured to receive an infrared light transmitted through the audio opening and reflected by the reflector.

Abstract: An earbud assembly includes a charging case and at least one wireless earbud suitable to be stowed in the charging case. The charging case includes a battery, a charger electrically connected to the battery, a sensor configured to detect the opening and closing operations of the charging case, a battery status indicator that has a first state when the battery of the charging case is in a normal working condition and a second state when the battery of the charging case is exhausted. The earbud includes a processor and a status detector for detecting the state of the battery status indicator when the earbud is stowed in the charging case. The processor of the earbud is configured to power off the earbud when the status detector detects that the battery status indicator is in the second state.

Abstract: An apparatus for reproducing sound is provided. The apparatus includes an isolation switch to receive a first audio signal with reference to a first reference level and \output or isolate the first audio signal; a wireless communication component configured to receive a wireless input signal and to generate a second audio signal with reference to a second reference level based on the wireless input signal, and an audible component connected to the isolation switch and the wireless communication component, respectively, and being configured to receive, one of the first audio signal from the isolation switch or the second audio signal from the wireless communication component and to emit a sound signal based on the received audio signal so that the second audio signal and the first audio signal do not interfere with each other.

Abstract: Disclosed is an electronic device, including: a switch element; and a memory card slot suitable for receiving a memory card. The memory card slot includes a power supply pin and a detection pin, and the power supply pin of the memory card slot being connected to a power supply through the switch element. The memory card slot has a first configuration where a memory card is received and a second configuration where there is no memory card. In the first configuration of the memory card slot, the detection pin of the memory card slot is in a grounded state, and in the second configuration of the memory card slot, the detection pin of the memory card slot is in a nongrounded state. The detection pin of the memory card slot is connected to the switch element and the detection pin in the grounded state can turn on the switch element.

Abstract: A True Wireless System (TWS)headphone is provided, which comprises a charging case and one or two earbuds. The earbuds may be attached into the charging case by a two pogo pin connector. The earbuds can detect the different status of the battery in the charging case via the two pogo pin connector and can auto power on or off accordingly when taken out or put into the charging case.