A wearable device includes a housing, a rechargeable battery disposed within the housing and a short range transceiver for near field communication disposed within the housing. The short range transceiver for near field communications comprises a core and a plurality of coil turns wrapped around the core to thereby form a coil. A charging circuit may electrically connected between the coil and the rechargeable battery and configured to charge the rechargeable battery using electromagnetic waves received by the coil.

A charging method and system, a charging box and Bluetooth earphones are disclosed. The charging method is applied to the charging box. The charging method comprises: when it is detected that Bluetooth earphones are placed in the charging box, acquiring current capacity information of the Bluetooth earphones; determining a number of Bluetooth earphones according to the current capacity information; if the number of Bluetooth earphones is two, calculating a capacity difference and a total charging capacity required according to a first current capacity and a second current capacity in the current capacity information; and acquiring a chargeable capacity of the charging box, comparing the chargeable capacity with the total charging capacity required and the capacity difference, and charging the Bluetooth earphones according to comparison results.

The present disclosure discloses an acoustic output apparatus including at least one acoustic driver, a controller, and a supporting structure. The at least one acoustic driver may be configured to output sounds through at least two sound guiding holes. The at least two sound guiding holes may include a first sound guiding hole and a second sound guiding hole. The controller may be configured to control a phase and an amplitude of the sounds generated by the at least one acoustic driver using a control signal such that the sounds output by the at least one acoustic driver through the first and second sound guiding holes have opposite phases. The supporting structure may be provided with a baffle and configured to support the at least one acoustic driver such that the first and second sound guiding holes are located on both sides of the baffle.

In an embodiment a wireless earphone includes an earbud portion having a speaker module, a stalk portion having a battery, wherein the earbud portion is connected to one end of the stalk portion, a circuit board and a first antenna being a slot antenna, wherein the circuit board extends from the earbud portion to an end of the stalk portion away from the earbud portion, wherein the circuit board is connected to the speaker module and the battery, wherein the circuit board comprises a reference ground, the reference ground extending from one end of the circuit board to another end of the circuit board, and wherein a slot is disposed on the reference ground forming a radiator of the slot antenna, the slot being located in the stalk portion and extending along a length direction of the stalk portion.

An electronic device is disclosed. The electronic device according to the present disclosure includes a body, a neck formed at one side of the body, and a head formed on the neck, wherein the head comprises: a circular part connected to the neck; a protrusion part protruding from one side of the circular part and having a curvature that is greater than a curvature of the circular part; a speaker hole formed at at least one of the circular part and the protrusion part; and a band part formed at the periphery of the speaker hole, and the thickness of the band part may be greater than the thickness of the circular part or the protrusion part around the band part.

An embodiment of the present disclosure is directed to a method for identifying an opening/closing state of a cover of a charging box. The method includes: utilizing an earphone to receive a detection information sent by the charging box; utilizing a second processor to execute a first identification policy according to the detection information to generate an identification result; and utilizing the second processor to determine a cover state information of the charging box according to the identification result. The detection information is used to represent the cover state information of the charging box.

A wearable electronic device is provided that includes a battery, at least one solar panel configured to charge the battery, an output charger connected through a wire to the out least one solar panel, and a controller configured to charge an external electronic device through the output charger.

This application discloses a method for determining a wearing status of a wireless earphone and a wireless earphone. The method includes: obtaining a first output of a sensor system, where the first output indicates a moving status of a housing, and determining, based on the first output, whether a body portion is put in a user's ear. This application further discloses a method for determining a double-tapped status of a wireless earphone and a wireless earphone. The method includes: obtaining a first output of a sensor system, where the first output indicates a moving status of a housing, and determining, by using a neural network model and by using the first output as a model input, whether the housing is double-tapped by an external object. This application improves accuracy of identifying the wearing status of the wireless earphone and improves accuracy of identifying the double-tapped status of the wireless earphone.

The embodiments of the present disclosure disclose an acoustic apparatus. The acoustic apparatus may include a support assembly. The support assembly may include a first portion and a second portion. When a user is wearing the acoustic apparatus, the first portion may be hung between a first side of an ear and a head of the user, the second portion may contact a second side of the ear. The first portion may cause the second portion to provide a compressive force on the second side of the ear.

A bone conduction audio apparatus includes at least one ear hook assembly. A main circuit board is provided in the ear hook assembly. Each ear hook assembly includes an operating unit, a line concentrator and a bone conduction transducer. Each operating unit is electrically connected with corresponding line concentrator by contact springs or connecting wires, and connected with the main circuit board via the line concentrator. Each bone conduction transducer is electrically connected with the main circuit board via corresponding line concentrator. A controller of the main circuit board receives touch signals from all operating units to determine and initiate relating earphone operating. The bone conduction audio apparatus adopts bilateral triggering interaction mechanism. The line concentrator is combined with the suspended bone conduction transducer.