Convertible handheld reader device

The convertible handheld reader device comprising:

• a network assembly comprising a network component and a computing component;
• at least one reader coupled to the computing component and reading at least one of barcode or RFID;
• a wearable wrist band unit having a first wrist band unit and a second wrist band unit,
• wherein the first wrist band unit is extended in opposite direction from the second wrist band unit, and accommodates the network assembly,
• wherein the at least one reader is detachably attached to the network assembly,
• wherein the at least one reader wirelessly communicates with the network assembly, and wherein the at least one reader has a holder that a user holds the at least one reader on a user's finger
• wherein the first wrist band unit has an attachment component and the attachment component is detachably attached to one of the network assembly and the second wrist band unit, and wherein, when the attachment component is attached to one of the network assembly and the second wrist band unit, a structure of the first wrist band, the network assembly, and the second wrist band is convertable between a wearable mode and a handheld mode, and the at least one reader is configured to read at least one of a barcode or Radio-frequency identification (RFID) when the structure of the first wrist band, the network assembly, and the second wrist band is at least one of the wearable mode and the handheld mode.