A wearable device comprising: a display device comprising: a display, electrical circuitry, and an interface coupled to the electrical circuitry; a securing device comprising: electrical circuitry integrated in at least part of the securing device, and an interface coupled to the integrated electrical circuitry, wherein the integrated electrical circuitry comprises at least two physically distinct circuits, wherein one of the physically distinct circuits is configured to perform one distinct function and one of the other physically distinct circuits is configured to perform another distinct function, wherein the functions augment capabilities of the display device; and a housing arranged to physically connect the display device to the securing device, the housing being part of the securing device, wherein when the display device is physically connected to the securing device via the housing, the interface of the display device and the interface of the securing device physically connect to establish electric connectivity between the integrated electrical circuitry and the electrical circuitry of the display device so that the securing device can augment the capabilities of the display device; and characterised in that the securing device comprises a mating surface allowing a charging connector to be coupled to a side of the securing device opposite to the display device to maintain electrical connectivity with the securing device and/or display device. a display, electrical circuitry, and an interface coupled to the electrical circuitry; a securing device comprising: electrical circuitry integrated in at least part of the securing device, and an interface coupled to the integrated electrical circuitry, wherein the integrated electrical circuitry comprises at least two physically distinct circuits, wherein one of the physically distinct circuits is configured to perform one distinct function and one of the other physically distinct circuits is configured to perform another distinct function, wherein the functions augment capabilities of the display device; and electrical circuitry integrated in at least part of the securing device, and an interface coupled to the integrated electrical circuitry, wherein the integrated electrical circuitry comprises at least two physically distinct circuits, wherein one of the physically distinct circuits is configured to perform one distinct function and one of the other physically distinct circuits is configured to perform another distinct function, wherein the functions augment capabilities of the display device; and a housing arranged to physically connect the display device to the securing device, the housing being part of the securing device, wherein when the display device is physically connected to the securing device via the housing, the interface of the display device and the interface of the securing device physically connect to establish electric connectivity between the integrated electrical circuitry and the electrical circuitry of the display device so that the securing device can augment the capabilities of the display device; and characterised in that the securing device comprises a mating surface allowing a charging connector to be coupled to a side of the securing device opposite to the display device to maintain electrical connectivity with the securing device and/or display device. wherein when the display device is physically connected to the securing device via the housing, the interface of the display device and the interface of the securing device physically connect to establish electric connectivity between the integrated electrical circuitry and the electrical circuitry of the display device so that the securing device can augment the capabilities of the display device; and characterised in that the securing device comprises a mating surface allowing a charging connector to be coupled to a side of the securing device opposite to the display device to maintain electrical connectivity with the securing device and/or display device.