A method of configuring a custom insert of a charger, wherein the custom insert is for aligning a first charging element of a hearing device and a transmitter charging element of a charger, includes: obtaining a digital three-dimensional hearing device model comprising a representation of the first charging element; obtaining a digital three-dimensional charger model comprising a representation of the transmitter charging element; obtaining a digital three-dimensional insert model; obtaining a digital cavity representing a cavity in the custom insert; and creating a custom digital three-dimensional insert model based on the digital cavity and the digital three-dimensional insert model, such that the representation of the first charging element in the digital three-dimensional hearing device model and the representation of the transmitter charging element in the three-dimensional charger model, are aligned.

A hearing aid system is configured for managing the power of a wireless link. The hearing aid system includes a first hearing aid device and a mobile device, each of the devices including a transmit and receive unit for establishing a short range wireless link between the devices. At least one of the devices includes: a microphone configured to receive an acoustical audio signal; a signal processor configured to process an audio signal based on the acoustical audio signal; and first link quality estimating circuitry configured to determine rate of change of a link quality signal. The at least one of the devices is configured to transmit the link quality signal to the other device, and the other device is configured to determine a power level of transmission of an information packet based on the rate of change of the link quality signal via a power controller comprised by the other device.

The disclosed technology comprises a non-metallic rechargeable battery casing for a hearing device. For example, the battery casing comprises a polymer or plastic that encapsulates the battery chemistry (e.g., Li-Ion). The battery design has no additional metallic layers or metallic casing; rather, the battery is comprised of non-metallic lid, non-metallic can, and the battery chemistry is inside the non-metallic lid and can.

A wireless headset includes a housing and a power system disposed in a cavity enclosed by the housing and configured to supply power to the wireless headset. The wireless headset further includes a first electrical connector and a second electrical connector disposed on the housing of the wireless headset and are respectively electrically connected to two electrodes of the power system. The housing includes a rod body and an earbud connected to a top of the rod body, wherein the first electrical connector is located at a bottom end of the rod body, and the second electrical connector is located on an outer side wall of the earbud.

The present invention relates to an earphone charging case with adapter function, which comprises an AC/DC conversion circuit, a DC power output circuit and an earphone charging circuit. The DC power output circuit has a charging protocol circuit. The AC/DC conversion circuit is connected with the charging protocol circuit, the charging protocol circuit is connected with the earphone charging circuit, and the AC/DC conversion circuit is configured for accessing an alternating current and converting AC into DC. The earphone charging circuit is configured for charging a battery in the earphone charging case and earphones, and the DC power output circuit is configured for charging mobile terminals. Due to combination of two functions, the consumers will reduce purchase of single-function electronic products, and thus preventing more products from being idle; achieving optimization of product functions, playing a leading role in environmental protection.

A wireless charging case for a headset, which case comprises a housing, a charging receiver coil and a rechargeable battery. The rechargeable battery comprises a first battery side extending between a first edge and a second opposite edge and facing the charging receiver coil, a second battery side lying extending from the first edge and a third battery side extending from the second edge. A magnetic shield sheet is arranged between the charging receiver coil and the first battery side. Parts of the second battery side and third battery side are covered by magnetic shield sheet.

A portable electronic device includes a housing, a secondary battery disposed inside a tip portion of the housing, and a power receiving coil unit disposed around the secondary battery. The power receiving coil unit has a first coil in which a conductive wire is helically wound around a first magnetic body and a second coil in which a conductive wire is wound helically around a second magnetic body. The first magnetic body and the second magnetic body are disposed between an outer side surface of the secondary battery and an inner side surface of the housing. The first coil and the second coil are located at mutually different positions in a direction around an axis of the secondary battery and are interconnected such that opposed magnetic flux is generated in respective winding axes when current flows the first and second coils.

Disclosed is a system comprising a hearing device and a charging device. The charging device is configured for receiving the hearing device and for charging the hearing device. The hearing device comprises a hearing device magnet and a receiving charging element. The charging device comprises a charging device magnet and a supplying charging element. The hearing device magnet and the charging device magnet are configured for retaining the hearing device in the charging device when charging. The supplying charging element is configured for performing the charging of the hearing device. The system comprises a non-magnetic element provided between the hearing device magnet and the charging device magnet, when the hearing device is received in the charging device.

The disclosure relates to a hearing aid for placement in an ear canal, the hearing aid having a proximal end and a distal end, the proximal end is inserted into the ear canal to face the tympanic membrane, the distal end is opposite. The hearing aid comprises a shell customized for the ear canal. The shell comprises an inner space configured for at least partly receiving a rechargeable battery, a charging arrangement, at least one microphone arrangement, and an integrated circuit. The hearing aid comprises a faceplate comprising an upper face and a lower face, the upper face being exposed at the distal end when the shell is placed in the user's ear canal. The faceplate is configured for closing the inner space, wherein the IC is arranged between the faceplate and the proximal end.

The present disclosure relates to a hearing aid having at least two wireless interfaces, where the operation of one wireless risk introducing noise into the at least second wireless interface. The first wireless interface being configured so that it does not, or at least to a limited degree, introduce noise into the second wireless interface.