A holster for a portable device is described that comprises a dispensing mechanism coupled to the housing comprising a reservoir defining an interior volume for holding a substance to be dispensed and an applicator for dispensing a portion of said substance from the interior volume of the reservoir to a portion of a surface of said portable device. The holster may be used to dispense a substance such as a disinfecting liquid or a cleaning gel onto a surface of the portable device.
展开▼