US Patent 10022086 Extended band system

A method and apparatus to provide an extended band is described. The method comprises pairing a body-worn device and a host device and establishing a low-power connection between the body-worn device and the host device to form an extended band. The method further comprises monitoring a user's status with a plurality of sensors on the host device and/or the body-worn device, and using the extended band to do one or more of: provide alerts to the user, based on the sensor data, control the extended band from one of the devices, and share data with third parties using the extended band.