Attachment of more various types of watch heads is realized. A band device includes an annular band portion that forms a hollow portion, and the band portion includes a sensor module and an engaging portion detachably engaged with end pieces to which a watch head is attached.

An electronic driver's license and ID bracelet that stores essential user information is disclosed. The electronic driver's license and ID bracelet stores user information that government(s) need to know, such as date of birth, driver's permit status, etc. The ID bracelet cannot be duplicated or altered within the civilian or private sector as is the case with contemporary personal identification, therefore the ID bracelet would be for government proprietary use.

There is provided an information display device making it possible to improve the reliability of a display against an external force. The information display device includes a case portion for displaying time information in a predetermined operation mode, and a band portion to be worn on an arm, and includes one piece of thin display inside the case portion and the band portion. Inside the band portion, the thin display, a metal sheet, and a resin sheet are laminated. The present technology can be applied to an information display device, etc., for example.

A smart bracelet (100) is provided. The smart bracelet (100) has a length direction, and includes: a first pulse detector (12) and a blood flow sensor (11) sequentially arranged along the length direction, wherein, the blood flow sensor (11) is configured for identifying a blood flow direction and sending a blood flow direction signal; the first pulse detector (12) is configured for detecting a pulse signal. The smart bracelet (100) can intelligently detect whether it is worn on a left hand or a right hand and avoid manually input.

A wearable device can include an electronic device and a band for securing the electronic device to the user. The electronic device can detect an identification of the band, which can serve as an input to initiate actions performed by the electronic device. For example, a type, model, color, size, or other characteristic of a band can be determined and used to select a corresponding action performed by the electronic device. Identification of the band can be performed by components of the electronic device that also serve other purposes. Existing sensors, communication elements, and/or detectors can be used to detect and identity a band provided to the electronic device. The electronic device can respond to the identification of a particular band by performing particular functions, such as changing an aspect of a user interface or altering settings of the electronic device.

A wearable electronic device includes a primary bead, two spacer beads and a bead string. The two spacer beads each defines a first side and a second side opposite to each other. The first sides of the two spacer beads are respectively disposed on two opposite sides of the primary bead. Two ends of the bead string are respectively connected to the second sides of the two spacer beads.

A neckwear includes a neckband and a neckband module and may further include one or more fastener members and one or more display segments for coins, medals or bars. The neckband is connected to said neckband module, and said one or more fastener members pivotably connects said neckband module and said one or more display segments. Also provided for a neckwear are a hermetically sealed neckband module or display segment, a display segment configured to be intra-changeable, display inserts for a neckband module or display segments, torso segments, and a neckband module with a member of a fastener to accommodate interchangeable display segments.

A jewelry chain having a plurality of links including a plurality of connecting links and one or a plurality of decorative links. Each decorative link comprises an outline of an alphanumeric character and becomes part of the chain by connection from at least two connecting links. The connecting links can easily pass through open sections of the alphanumeric character outline to allow rotation and sliding movement in at least two different directions so that the alphanumeric character can provide different appearances when the jewelry chain is worn. The chain can form or be incorporated in necklaces, bracelets or earrings.

Provide is a display device. The display device includes a watchcase, a first display screen and a flexible display component. The first display screen is arranged on a front side of the watchcase. The first display screen includes a first display surface. The flexible display component is arranged on a back face of the watchcase. The flexible display component may be bent along a first direction to be reused as a watchband. Moreover, in the condition that the flexible display component is reused as the watchband, a surface of the flexible display component facing away from the watchcase is a second display surface.

A wearable device comprising a memory storing a database of product codes and associated product recommendations derived from personalised biological information, a product code reader for reading a product code or data from a product, and a processor for using a read product code or read data to perform a look-up in the database to obtain a product recommendation for the associated product. The wearable device further comprises an indicator for providing an indication of the obtained product recommendation to a wearer of the device.